Finding the Fourth Proportional to 1,617.12, 2,410.52 and 1,513.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,617.12 : 2,410.52 = 1,513.24 : x
2. Step 2: Convert to fraction form
   1,617.12/2,410.52 = 1,513.24/x
3. Step 3: Cross multiply
   1,617.12x = 2,410.52 × 1,513.24
4. Step 4: Simplify right side
   1,617.12x = 3,647,695.28
5. Step 5: Solve for x
   x = 3,647,695.28/1,617.12
6. Step 6: Final answer
   x = 2,255.67