Finding the Fourth Proportional to 90,081.52, 124,301.71 and 49,789.82

Step by Step Solution

1. Step 1: Write the proportion equation
   90,081.52 : 124,301.71 = 49,789.82 : x
2. Step 2: Convert to fraction form
   90,081.52/124,301.71 = 49,789.82/x
3. Step 3: Cross multiply
   90,081.52x = 124,301.71 × 49,789.82
4. Step 4: Simplify right side
   90,081.52x = 6,188,959,766.59
5. Step 5: Solve for x
   x = 6,188,959,766.59/90,081.52
6. Step 6: Final answer
   x = 68,703.99