Finding the Fourth Proportional to 22,508.38, 31,061.57 and 12,572.38

Step by Step Solution

1. Step 1: Write the proportion equation
   22,508.38 : 31,061.57 = 12,572.38 : x
2. Step 2: Convert to fraction form
   22,508.38/31,061.57 = 12,572.38/x
3. Step 3: Cross multiply
   22,508.38x = 31,061.57 × 12,572.38
4. Step 4: Simplify right side
   22,508.38x = 390,517,861.44
5. Step 5: Solve for x
   x = 390,517,861.44/22,508.38
6. Step 6: Final answer
   x = 17,349.89