Finding the Fourth Proportional to 59,902.28, 82,691.71 and 38,691.89

Step by Step Solution

1. Step 1: Write the proportion equation
   59,902.28 : 82,691.71 = 38,691.89 : x
2. Step 2: Convert to fraction form
   59,902.28/82,691.71 = 38,691.89/x
3. Step 3: Cross multiply
   59,902.28x = 82,691.71 × 38,691.89
4. Step 4: Simplify right side
   59,902.28x = 3,199,498,037.04
5. Step 5: Solve for x
   x = 3,199,498,037.04/59,902.28
6. Step 6: Final answer
   x = 53,411.96