Finding the Fourth Proportional to 89,229.20, 123,158.68 and 60,597.32

Step by Step Solution

1. Step 1: Write the proportion equation
   89,229.20 : 123,158.68 = 60,597.32 : x
2. Step 2: Convert to fraction form
   89,229.20/123,158.68 = 60,597.32/x
3. Step 3: Cross multiply
   89,229.20x = 123,158.68 × 60,597.32
4. Step 4: Simplify right side
   89,229.20x = 7,463,085,175.45
5. Step 5: Solve for x
   x = 7,463,085,175.45/89,229.20
6. Step 6: Final answer
   x = 83,639.50