Finding the Fourth Proportional to 22,517.43, 31,076.78 and 14,132.31

Step by Step Solution

1. Step 1: Write the proportion equation
   22,517.43 : 31,076.78 = 14,132.31 : x
2. Step 2: Convert to fraction form
   22,517.43/31,076.78 = 14,132.31/x
3. Step 3: Cross multiply
   22,517.43x = 31,076.78 × 14,132.31
4. Step 4: Simplify right side
   22,517.43x = 439,186,618.10
5. Step 5: Solve for x
   x = 439,186,618.10/22,517.43
6. Step 6: Final answer
   x = 19,504.30