Finding the Fourth Proportional to 62,385.57, 86,067.68 and 38,470.73

Step by Step Solution

1. Step 1: Write the proportion equation
   62,385.57 : 86,067.68 = 38,470.73 : x
2. Step 2: Convert to fraction form
   62,385.57/86,067.68 = 38,470.73/x
3. Step 3: Cross multiply
   62,385.57x = 86,067.68 × 38,470.73
4. Step 4: Simplify right side
   62,385.57x = 3,311,085,856.31
5. Step 5: Solve for x
   x = 3,311,085,856.31/62,385.57
6. Step 6: Final answer
   x = 53,074.55