Finding the Fourth Proportional to 101,229.14, 139,620.71 and 89,757.52

Step by Step Solution

1. Step 1: Write the proportion equation
   101,229.14 : 139,620.71 = 89,757.52 : x
2. Step 2: Convert to fraction form
   101,229.14/139,620.71 = 89,757.52/x
3. Step 3: Cross multiply
   101,229.14x = 139,620.71 × 89,757.52
4. Step 4: Simplify right side
   101,229.14x = 12,532,008,545.58
5. Step 5: Solve for x
   x = 12,532,008,545.58/101,229.14
6. Step 6: Final answer
   x = 123,798.43