Finding the Fourth Proportional to 116,147.52, 160,373.88 and 89,247.60

Step by Step Solution

1. Step 1: Write the proportion equation
   116,147.52 : 160,373.88 = 89,247.60 : x
2. Step 2: Convert to fraction form
   116,147.52/160,373.88 = 89,247.60/x
3. Step 3: Cross multiply
   116,147.52x = 160,373.88 × 89,247.60
4. Step 4: Simplify right side
   116,147.52x = 14,312,983,892.69
5. Step 5: Solve for x
   x = 14,312,983,892.69/116,147.52
6. Step 6: Final answer
   x = 123,231.08