Finding the Fourth Proportional to 69,839.52, 96,380.71 and 39,626.12

Step by Step Solution

1. Step 1: Write the proportion equation
   69,839.52 : 96,380.71 = 39,626.12 : x
2. Step 2: Convert to fraction form
   69,839.52/96,380.71 = 39,626.12/x
3. Step 3: Cross multiply
   69,839.52x = 96,380.71 × 39,626.12
4. Step 4: Simplify right side
   69,839.52x = 3,819,193,580.15
5. Step 5: Solve for x
   x = 3,819,193,580.15/69,839.52
6. Step 6: Final answer
   x = 54,685.28