Finding the Fourth Proportional to 114,859.76, 158,506.61 and 63,871.40

Step by Step Solution

1. Step 1: Write the proportion equation
   114,859.76 : 158,506.61 = 63,871.40 : x
2. Step 2: Convert to fraction form
   114,859.76/158,506.61 = 63,871.40/x
3. Step 3: Cross multiply
   114,859.76x = 158,506.61 × 63,871.40
4. Step 4: Simplify right side
   114,859.76x = 10,124,039,166.86
5. Step 5: Solve for x
   x = 10,124,039,166.86/114,859.76
6. Step 6: Final answer
   x = 88,142.62