Finding the Fourth Proportional to 89,443.79, 123,435.39 and 49,158.98

Step by Step Solution

1. Step 1: Write the proportion equation
   89,443.79 : 123,435.39 = 49,158.98 : x
2. Step 2: Convert to fraction form
   89,443.79/123,435.39 = 49,158.98/x
3. Step 3: Cross multiply
   89,443.79x = 123,435.39 × 49,158.98
4. Step 4: Simplify right side
   89,443.79x = 6,067,957,005.33
5. Step 5: Solve for x
   x = 6,067,957,005.33/89,443.79
6. Step 6: Final answer
   x = 67,841.01