Finding the Fourth Proportional to 88,978.05, 122,789.73 and 48,691.83

Step by Step Solution

1. Step 1: Write the proportion equation
   88,978.05 : 122,789.73 = 48,691.83 : x
2. Step 2: Convert to fraction form
   88,978.05/122,789.73 = 48,691.83/x
3. Step 3: Cross multiply
   88,978.05x = 122,789.73 × 48,691.83
4. Step 4: Simplify right side
   88,978.05x = 5,978,856,658.91
5. Step 5: Solve for x
   x = 5,978,856,658.91/88,978.05
6. Step 6: Final answer
   x = 67,194.74