Finding the Fourth Proportional to 23,665.24, 32,649.76 and 15,172.04

Step by Step Solution

1. Step 1: Write the proportion equation
   23,665.24 : 32,649.76 = 15,172.04 : x
2. Step 2: Convert to fraction form
   23,665.24/32,649.76 = 15,172.04/x
3. Step 3: Cross multiply
   23,665.24x = 32,649.76 × 15,172.04
4. Step 4: Simplify right side
   23,665.24x = 495,363,464.71
5. Step 5: Solve for x
   x = 495,363,464.71/23,665.24
6. Step 6: Final answer
   x = 20,932.11