Find the amount when princple is 29200,rate is 6%.time is 4 year and 3 months?

Are you asking for the value of the principal after 4.25 years? How often is interest compounded? Is 29,200 the initial principal?

If compounding is quarterly and the initial principal is 29,200,
the final principal is
29,200(1.015)^17 = 37,610.19

You need to specify currency type. Dollars? Rupees? Euros? Renmibi?