Finding the Fourth Proportional to 123,887.94, 185,854.31 and 45,112.74

Step by Step Solution

1. Step 1: Write the proportion equation
   123,887.94 : 185,854.31 = 45,112.74 : x
2. Step 2: Convert to fraction form
   123,887.94/185,854.31 = 45,112.74/x
3. Step 3: Cross multiply
   123,887.94x = 185,854.31 × 45,112.74
4. Step 4: Simplify right side
   123,887.94x = 8,384,397,164.91
5. Step 5: Solve for x
   x = 8,384,397,164.91/123,887.94
6. Step 6: Final answer
   x = 67,677.27