Finding the Fourth Proportional to 90,076.83, 124,304.67 and 49,789.70

Step by Step Solution

1. Step 1: Write the proportion equation
   90,076.83 : 124,304.67 = 49,789.70 : x
2. Step 2: Convert to fraction form
   90,076.83/124,304.67 = 49,789.70/x
3. Step 3: Cross multiply
   90,076.83x = 124,304.67 × 49,789.70
4. Step 4: Simplify right side
   90,076.83x = 6,189,092,072.52
5. Step 5: Solve for x
   x = 6,189,092,072.52/90,076.83
6. Step 6: Final answer
   x = 68,709.04