Finding the Fourth Proportional to 89,755.46, 134,485.56 and 71,155.04

Step by Step Solution

1. Step 1: Write the proportion equation
   89,755.46 : 134,485.56 = 71,155.04 : x
2. Step 2: Convert to fraction form
   89,755.46/134,485.56 = 71,155.04/x
3. Step 3: Cross multiply
   89,755.46x = 134,485.56 × 71,155.04
4. Step 4: Simplify right side
   89,755.46x = 9,569,325,401.22
5. Step 5: Solve for x
   x = 9,569,325,401.22/89,755.46
6. Step 6: Final answer
   x = 106,615.52