Finding the Fourth Proportional to 89,393.80, 123,363.12 and 48,557.68

Step by Step Solution

1. Step 1: Write the proportion equation
   89,393.80 : 123,363.12 = 48,557.68 : x
2. Step 2: Convert to fraction form
   89,393.80/123,363.12 = 48,557.68/x
3. Step 3: Cross multiply
   89,393.80x = 123,363.12 × 48,557.68
4. Step 4: Simplify right side
   89,393.80x = 5,990,226,904.76
5. Step 5: Solve for x
   x = 5,990,226,904.76/89,393.80
6. Step 6: Final answer
   x = 67,009.42