Finding the Fourth Proportional to 23,517.72, 32,454.72 and 12,908.52

Step by Step Solution

1. Step 1: Write the proportion equation
   23,517.72 : 32,454.72 = 12,908.52 : x
2. Step 2: Convert to fraction form
   23,517.72/32,454.72 = 12,908.52/x
3. Step 3: Cross multiply
   23,517.72x = 32,454.72 × 12,908.52
4. Step 4: Simplify right side
   23,517.72x = 418,942,402.21
5. Step 5: Solve for x
   x = 418,942,402.21/23,517.72
6. Step 6: Final answer
   x = 17,813.90