Finding the Fourth Proportional to 89,704.46, 134,509.97 and 42,306.83

Step by Step Solution

1. Step 1: Write the proportion equation
   89,704.46 : 134,509.97 = 42,306.83 : x
2. Step 2: Convert to fraction form
   89,704.46/134,509.97 = 42,306.83/x
3. Step 3: Cross multiply
   89,704.46x = 134,509.97 × 42,306.83
4. Step 4: Simplify right side
   89,704.46x = 5,690,690,182.57
5. Step 5: Solve for x
   x = 5,690,690,182.57/89,704.46
6. Step 6: Final answer
   x = 63,438.21