Finding the Fourth Proportional to 93,710.50, 140,565.89 and 38,306.50

Step by Step Solution

1. Step 1: Write the proportion equation
   93,710.50 : 140,565.89 = 38,306.50 : x
2. Step 2: Convert to fraction form
   93,710.50/140,565.89 = 38,306.50/x
3. Step 3: Cross multiply
   93,710.50x = 140,565.89 × 38,306.50
4. Step 4: Simplify right side
   93,710.50x = 5,384,587,265.29
5. Step 5: Solve for x
   x = 5,384,587,265.29/93,710.50
6. Step 6: Final answer
   x = 57,459.81