Finding the Fourth Proportional to 116,665.76, 160,850.76 and 89,473.52

Step by Step Solution

1. Step 1: Write the proportion equation
   116,665.76 : 160,850.76 = 89,473.52 : x
2. Step 2: Convert to fraction form
   116,665.76/160,850.76 = 89,473.52/x
3. Step 3: Cross multiply
   116,665.76x = 160,850.76 × 89,473.52
4. Step 4: Simplify right side
   116,665.76x = 14,391,883,691.88
5. Step 5: Solve for x
   x = 14,391,883,691.88/116,665.76
6. Step 6: Final answer
   x = 123,359.96