Finding the Fourth Proportional to 123,877.91, 171,022.34 and 81,559.46

Step by Step Solution

1. Step 1: Write the proportion equation
   123,877.91 : 171,022.34 = 81,559.46 : x
2. Step 2: Convert to fraction form
   123,877.91/171,022.34 = 81,559.46/x
3. Step 3: Cross multiply
   123,877.91x = 171,022.34 × 81,559.46
4. Step 4: Simplify right side
   123,877.91x = 13,948,488,909.02
5. Step 5: Solve for x
   x = 13,948,488,909.02/123,877.91
6. Step 6: Final answer
   x = 112,598.68