Finding the Fourth Proportional to 123,895.86, 171,116.82 and 83,540.04

Step by Step Solution

1. Step 1: Write the proportion equation
   123,895.86 : 171,116.82 = 83,540.04 : x
2. Step 2: Convert to fraction form
   123,895.86/171,116.82 = 83,540.04/x
3. Step 3: Cross multiply
   123,895.86x = 171,116.82 × 83,540.04
4. Step 4: Simplify right side
   123,895.86x = 14,295,105,987.47
5. Step 5: Solve for x
   x = 14,295,105,987.47/123,895.86
6. Step 6: Final answer
   x = 115,380.01