Finding the Fourth Proportional to 105,700.86, 158,340.04 and 63,557.87

Step by Step Solution

1. Step 1: Write the proportion equation
   105,700.86 : 158,340.04 = 63,557.87 : x
2. Step 2: Convert to fraction form
   105,700.86/158,340.04 = 63,557.87/x
3. Step 3: Cross multiply
   105,700.86x = 158,340.04 × 63,557.87
4. Step 4: Simplify right side
   105,700.86x = 10,063,755,678.11
5. Step 5: Solve for x
   x = 10,063,755,678.11/105,700.86
6. Step 6: Final answer
   x = 95,209.78