Finding the Fourth Proportional to 63,859.62, 88,079.46 and 42,310.38

Step by Step Solution

1. Step 1: Write the proportion equation
   63,859.62 : 88,079.46 = 42,310.38 : x
2. Step 2: Convert to fraction form
   63,859.62/88,079.46 = 42,310.38/x
3. Step 3: Cross multiply
   63,859.62x = 88,079.46 × 42,310.38
4. Step 4: Simplify right side
   63,859.62x = 3,726,675,422.79
5. Step 5: Solve for x
   x = 3,726,675,422.79/63,859.62
6. Step 6: Final answer
   x = 58,357.31