Finding the Fourth Proportional to 62,785.52, 86,648.10 and 43,928.72

Step by Step Solution

1. Step 1: Write the proportion equation
   62,785.52 : 86,648.10 = 43,928.72 : x
2. Step 2: Convert to fraction form
   62,785.52/86,648.10 = 43,928.72/x
3. Step 3: Cross multiply
   62,785.52x = 86,648.10 × 43,928.72
4. Step 4: Simplify right side
   62,785.52x = 3,806,340,123.43
5. Step 5: Solve for x
   x = 3,806,340,123.43/62,785.52
6. Step 6: Final answer
   x = 60,624.49