Finding the Fourth Proportional to 22,572.88, 31,150.63 and 12,501.74

Step by Step Solution

1. Step 1: Write the proportion equation
   22,572.88 : 31,150.63 = 12,501.74 : x
2. Step 2: Convert to fraction form
   22,572.88/31,150.63 = 12,501.74/x
3. Step 3: Cross multiply
   22,572.88x = 31,150.63 × 12,501.74
4. Step 4: Simplify right side
   22,572.88x = 389,437,100.28
5. Step 5: Solve for x
   x = 389,437,100.28/22,572.88
6. Step 6: Final answer
   x = 17,252.43