Finding the Fourth Proportional to 22,569.86, 31,146.17 and 12,498.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,569.86 : 31,146.17 = 12,498.72 : x
2. Step 2: Convert to fraction form
   22,569.86/31,146.17 = 12,498.72/x
3. Step 3: Cross multiply
   22,569.86x = 31,146.17 × 12,498.72
4. Step 4: Simplify right side
   22,569.86x = 389,287,195.41
5. Step 5: Solve for x
   x = 389,287,195.41/22,569.86
6. Step 6: Final answer
   x = 17,248.10