Finding the Fourth Proportional to 23,513.52, 32,449.20 and 12,903.12

Step by Step Solution

1. Step 1: Write the proportion equation
   23,513.52 : 32,449.20 = 12,903.12 : x
2. Step 2: Convert to fraction form
   23,513.52/32,449.20 = 12,903.12/x
3. Step 3: Cross multiply
   23,513.52x = 32,449.20 × 12,903.12
4. Step 4: Simplify right side
   23,513.52x = 418,695,921.50
5. Step 5: Solve for x
   x = 418,695,921.50/23,513.52
6. Step 6: Final answer
   x = 17,806.60