Finding the Fourth Proportional to 59,878.42, 82,639.92 and 49,789.52

Step by Step Solution

1. Step 1: Write the proportion equation
   59,878.42 : 82,639.92 = 49,789.52 : x
2. Step 2: Convert to fraction form
   59,878.42/82,639.92 = 49,789.52/x
3. Step 3: Cross multiply
   59,878.42x = 82,639.92 × 49,789.52
4. Step 4: Simplify right side
   59,878.42x = 4,114,601,949.64
5. Step 5: Solve for x
   x = 4,114,601,949.64/59,878.42
6. Step 6: Final answer
   x = 68,715.94