Finding the Fourth Proportional to 116,084.90, 173,868.15 and 89,581.70

Step by Step Solution

1. Step 1: Write the proportion equation
   116,084.90 : 173,868.15 = 89,581.70 : x
2. Step 2: Convert to fraction form
   116,084.90/173,868.15 = 89,581.70/x
3. Step 3: Cross multiply
   116,084.90x = 173,868.15 × 89,581.70
4. Step 4: Simplify right side
   116,084.90x = 15,575,404,452.86
5. Step 5: Solve for x
   x = 15,575,404,452.86/116,084.90
6. Step 6: Final answer
   x = 134,172.53