Finding the Fourth Proportional to 89,498.97, 123,516.45 and 49,219.83

Step by Step Solution

1. Step 1: Write the proportion equation
   89,498.97 : 123,516.45 = 49,219.83 : x
2. Step 2: Convert to fraction form
   89,498.97/123,516.45 = 49,219.83/x
3. Step 3: Cross multiply
   89,498.97x = 123,516.45 × 49,219.83
4. Step 4: Simplify right side
   89,498.97x = 6,079,458,671.20
5. Step 5: Solve for x
   x = 6,079,458,671.20/89,498.97
6. Step 6: Final answer
   x = 67,927.69