Finding the Fourth Proportional to 89,577.98, 123,618.49 and 49,292.61

Step by Step Solution

1. Step 1: Write the proportion equation
   89,577.98 : 123,618.49 = 49,292.61 : x
2. Step 2: Convert to fraction form
   89,577.98/123,618.49 = 49,292.61/x
3. Step 3: Cross multiply
   89,577.98x = 123,618.49 × 49,292.61
4. Step 4: Simplify right side
   89,577.98x = 6,093,478,016.36
5. Step 5: Solve for x
   x = 6,093,478,016.36/89,577.98
6. Step 6: Final answer
   x = 68,024.28