Finding the Fourth Proportional to 22,550.50, 31,121.13 and 12,614.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,550.50 : 31,121.13 = 12,614.50 : x
2. Step 2: Convert to fraction form
   22,550.50/31,121.13 = 12,614.50/x
3. Step 3: Cross multiply
   22,550.50x = 31,121.13 × 12,614.50
4. Step 4: Simplify right side
   22,550.50x = 392,577,494.39
5. Step 5: Solve for x
   x = 392,577,494.39/22,550.50
6. Step 6: Final answer
   x = 17,408.82