Finding the Fourth Proportional to 89,363.72, 123,324.12 and 48,529.60

Step by Step Solution

1. Step 1: Write the proportion equation
   89,363.72 : 123,324.12 = 48,529.60 : x
2. Step 2: Convert to fraction form
   89,363.72/123,324.12 = 48,529.60/x
3. Step 3: Cross multiply
   89,363.72x = 123,324.12 × 48,529.60
4. Step 4: Simplify right side
   89,363.72x = 5,984,870,213.95
5. Step 5: Solve for x
   x = 5,984,870,213.95/89,363.72
6. Step 6: Final answer
   x = 66,972.04