Finding the Fourth Proportional to 88,545.82, 122,254.50 and 71,624.59

Step by Step Solution

1. Step 1: Write the proportion equation
   88,545.82 : 122,254.50 = 71,624.59 : x
2. Step 2: Convert to fraction form
   88,545.82/122,254.50 = 71,624.59/x
3. Step 3: Cross multiply
   88,545.82x = 122,254.50 × 71,624.59
4. Step 4: Simplify right side
   88,545.82x = 8,756,428,362.90
5. Step 5: Solve for x
   x = 8,756,428,362.90/88,545.82
6. Step 6: Final answer
   x = 98,891.49