Finding the Fourth Proportional to 89,363.58, 123,321.15 and 49,077.78

Step by Step Solution

1. Step 1: Write the proportion equation
   89,363.58 : 123,321.15 = 49,077.78 : x
2. Step 2: Convert to fraction form
   89,363.58/123,321.15 = 49,077.78/x
3. Step 3: Cross multiply
   89,363.58x = 123,321.15 × 49,077.78
4. Step 4: Simplify right side
   89,363.58x = 6,052,328,269.05
5. Step 5: Solve for x
   x = 6,052,328,269.05/89,363.58
6. Step 6: Final answer
   x = 67,727.01