Please no excel or tables please

The first payment is $100, the second payment is $200, and so on until the tenth payment of $1000. The final 15 payments are each $X. The annuity has a present value of $15,000 at an annual effective interest rate of 3%. Find X. (a) 880.90 (b) 1183.85 (c) 1372.41 (d) 1656.79 (e) 1920.67