There is no step-by-step assistance for the 1041 module in TurboTax Business (paid or otherwise).
The X code generally means the holding period is unknown (at least to the brokerage firm) while the D code indicates a long-term holding period for which the basis is being reported to the IRS.
You might want to elaborate on the statement, "Every time I’ve worked the numbers for the K one it doesn’t match up.". What do you mean by the "numbers for the K one doesn't match up" (i.e., match up with what)?
