Finding the Fourth Proportional to 116,013.50, 160,175.85 and 89,108

Step by Step Solution

1. Step 1: Write the proportion equation
   116,013.50 : 160,175.85 = 89,108 : x
2. Step 2: Convert to fraction form
   116,013.50/160,175.85 = 89,108/x
3. Step 3: Cross multiply
   116,013.50x = 160,175.85 × 89,108
4. Step 4: Simplify right side
   116,013.50x = 14,272,949,641.80
5. Step 5: Solve for x
   x = 14,272,949,641.80/116,013.50
6. Step 6: Final answer
   x = 123,028.35