Finding the Fourth Proportional to 89,522.38, 123,543.98 and 49,239.19

Step by Step Solution

1. Step 1: Write the proportion equation
   89,522.38 : 123,543.98 = 49,239.19 : x
2. Step 2: Convert to fraction form
   89,522.38/123,543.98 = 49,239.19/x
3. Step 3: Cross multiply
   89,522.38x = 123,543.98 × 49,239.19
4. Step 4: Simplify right side
   89,522.38x = 6,083,205,504.58
5. Step 5: Solve for x
   x = 6,083,205,504.58/89,522.38
6. Step 6: Final answer
   x = 67,951.78