Finding the Fourth Proportional to 22,644.38, 31,250.22 and 12,572.82

Step by Step Solution

1. Step 1: Write the proportion equation
   22,644.38 : 31,250.22 = 12,572.82 : x
2. Step 2: Convert to fraction form
   22,644.38/31,250.22 = 12,572.82/x
3. Step 3: Cross multiply
   22,644.38x = 31,250.22 × 12,572.82
4. Step 4: Simplify right side
   22,644.38x = 392,903,500.58
5. Step 5: Solve for x
   x = 392,903,500.58/22,644.38
6. Step 6: Final answer
   x = 17,351.04