Finding the Fourth Proportional to 69,086.50, 95,339.37 and 39,278.50

Step by Step Solution

1. Step 1: Write the proportion equation
   69,086.50 : 95,339.37 = 39,278.50 : x
2. Step 2: Convert to fraction form
   69,086.50/95,339.37 = 39,278.50/x
3. Step 3: Cross multiply
   69,086.50x = 95,339.37 × 39,278.50
4. Step 4: Simplify right side
   69,086.50x = 3,744,787,444.55
5. Step 5: Solve for x
   x = 3,744,787,444.55/69,086.50
6. Step 6: Final answer
   x = 54,204.33