If this was the sale of an inherited house, there would be no capital gain as long as you sold it as is soon after the inheritance and did no major improvements.
There normally is capital gain and depreciation recapture on a rental, but that all goes away if the property is inherited.
There will be no taxable income for this sale based on what you posted, that it was owned and used as a partial rental by your parents and later inherited by you and your siblings and sold immediately afterwards.
If you received a 1099-S, you can enter it into the program, but again, there will be no gain, however there may be a small loss for the selling fees.
If you are claiming a small loss, you should only report your 1/4th.
It will be reported as no gain on Schedule D.
We are sorry for your loss.
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