Finding the Fourth Proportional to 89,393.37, 123,358.05 and 49,112.61

Step by Step Solution

1. Step 1: Write the proportion equation
   89,393.37 : 123,358.05 = 49,112.61 : x
2. Step 2: Convert to fraction form
   89,393.37/123,358.05 = 49,112.61/x
3. Step 3: Cross multiply
   89,393.37x = 123,358.05 × 49,112.61
4. Step 4: Simplify right side
   89,393.37x = 6,058,435,800.01
5. Step 5: Solve for x
   x = 6,058,435,800.01/89,393.37
6. Step 6: Final answer
   x = 67,772.76