Finding the Fourth Proportional to 22,571.37, 31,148.22 and 12,500.22

Step by Step Solution

1. Step 1: Write the proportion equation
   22,571.37 : 31,148.22 = 12,500.22 : x
2. Step 2: Convert to fraction form
   22,571.37/31,148.22 = 12,500.22/x
3. Step 3: Cross multiply
   22,571.37x = 31,148.22 × 12,500.22
4. Step 4: Simplify right side
   22,571.37x = 389,359,602.61
5. Step 5: Solve for x
   x = 389,359,602.61/22,571.37
6. Step 6: Final answer
   x = 17,250.15