Finding the Fourth Proportional to 22,543.50, 31,110.04 and 12,607.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,543.50 : 31,110.04 = 12,607.50 : x
2. Step 2: Convert to fraction form
   22,543.50/31,110.04 = 12,607.50/x
3. Step 3: Cross multiply
   22,543.50x = 31,110.04 × 12,607.50
4. Step 4: Simplify right side
   22,543.50x = 392,219,829.30
5. Step 5: Solve for x
   x = 392,219,829.30/22,543.50
6. Step 6: Final answer
   x = 17,398.36