Finding the Fourth Proportional to 69,942.08, 96,498.72 and 39,725.12

Step by Step Solution

1. Step 1: Write the proportion equation
   69,942.08 : 96,498.72 = 39,725.12 : x
2. Step 2: Convert to fraction form
   69,942.08/96,498.72 = 39,725.12/x
3. Step 3: Cross multiply
   69,942.08x = 96,498.72 × 39,725.12
4. Step 4: Simplify right side
   69,942.08x = 3,833,423,231.85
5. Step 5: Solve for x
   x = 3,833,423,231.85/69,942.08
6. Step 6: Final answer
   x = 54,808.54