Finding the Fourth Proportional to 89,229.93, 133,581.93 and 78,158.24

Step by Step Solution

1. Step 1: Write the proportion equation
   89,229.93 : 133,581.93 = 78,158.24 : x
2. Step 2: Convert to fraction form
   89,229.93/133,581.93 = 78,158.24/x
3. Step 3: Cross multiply
   89,229.93x = 133,581.93 × 78,158.24
4. Step 4: Simplify right side
   89,229.93x = 10,440,528,585.46
5. Step 5: Solve for x
   x = 10,440,528,585.46/89,229.93
6. Step 6: Final answer
   x = 117,007.02