Finding the Fourth Proportional to 123,754.88, 185,221.56 and 112,687.04

Step by Step Solution

1. Step 1: Write the proportion equation
   123,754.88 : 185,221.56 = 112,687.04 : x
2. Step 2: Convert to fraction form
   123,754.88/185,221.56 = 112,687.04/x
3. Step 3: Cross multiply
   123,754.88x = 185,221.56 × 112,687.04
4. Step 4: Simplify right side
   123,754.88x = 20,872,069,340.58
5. Step 5: Solve for x
   x = 20,872,069,340.58/123,754.88
6. Step 6: Final answer
   x = 168,656.54