Finding the Fourth Proportional to 23,132.72, 31,923.16 and 12,522.32

Step by Step Solution

1. Step 1: Write the proportion equation
   23,132.72 : 31,923.16 = 12,522.32 : x
2. Step 2: Convert to fraction form
   23,132.72/31,923.16 = 12,522.32/x
3. Step 3: Cross multiply
   23,132.72x = 31,923.16 × 12,522.32
4. Step 4: Simplify right side
   23,132.72x = 399,752,024.93
5. Step 5: Solve for x
   x = 399,752,024.93/23,132.72
6. Step 6: Final answer
   x = 17,280.81