Finding the Fourth Proportional to 89,757.46, 134,488.56 and 71,157.04

Step by Step Solution

1. Step 1: Write the proportion equation
   89,757.46 : 134,488.56 = 71,157.04 : x
2. Step 2: Convert to fraction form
   89,757.46/134,488.56 = 71,157.04/x
3. Step 3: Cross multiply
   89,757.46x = 134,488.56 × 71,157.04
4. Step 4: Simplify right side
   89,757.46x = 9,569,807,843.46
5. Step 5: Solve for x
   x = 9,569,807,843.46/89,757.46
6. Step 6: Final answer
   x = 106,618.52