Finding the Fourth Proportional to 113,976.86, 170,812.46 and 88,706.89

Step by Step Solution

1. Step 1: Write the proportion equation
   113,976.86 : 170,812.46 = 88,706.89 : x
2. Step 2: Convert to fraction form
   113,976.86/170,812.46 = 88,706.89/x
3. Step 3: Cross multiply
   113,976.86x = 170,812.46 × 88,706.89
4. Step 4: Simplify right side
   113,976.86x = 15,152,241,229.28
5. Step 5: Solve for x
   x = 15,152,241,229.28/113,976.86
6. Step 6: Final answer
   x = 132,941.38