Finding the Fourth Proportional to 85,935.52, 128,947.02 and 39,182.32

Step by Step Solution

1. Step 1: Write the proportion equation
   85,935.52 : 128,947.02 = 39,182.32 : x
2. Step 2: Convert to fraction form
   85,935.52/128,947.02 = 39,182.32/x
3. Step 3: Cross multiply
   85,935.52x = 128,947.02 × 39,182.32
4. Step 4: Simplify right side
   85,935.52x = 5,052,443,400.69
5. Step 5: Solve for x
   x = 5,052,443,400.69/85,935.52
6. Step 6: Final answer
   x = 58,793.42