Finding the Fourth Proportional to 60,785.57, 83,928.53 and 39,288.04

Step by Step Solution

1. Step 1: Write the proportion equation
   60,785.57 : 83,928.53 = 39,288.04 : x
2. Step 2: Convert to fraction form
   60,785.57/83,928.53 = 39,288.04/x
3. Step 3: Cross multiply
   60,785.57x = 83,928.53 × 39,288.04
4. Step 4: Simplify right side
   60,785.57x = 3,297,387,443.78
5. Step 5: Solve for x
   x = 3,297,387,443.78/60,785.57
6. Step 6: Final answer
   x = 54,246.23