Finding the Fourth Proportional to 22,543.55, 31,108.82 and 12,471.41

Step by Step Solution

1. Step 1: Write the proportion equation
   22,543.55 : 31,108.82 = 12,471.41 : x
2. Step 2: Convert to fraction form
   22,543.55/31,108.82 = 12,471.41/x
3. Step 3: Cross multiply
   22,543.55x = 31,108.82 × 12,471.41
4. Step 4: Simplify right side
   22,543.55x = 387,970,630.94
5. Step 5: Solve for x
   x = 387,970,630.94/22,543.55
6. Step 6: Final answer
   x = 17,209.83