Finding the Fourth Proportional to 89,730.89, 123,831.23 and 49,447.25

Step by Step Solution

1. Step 1: Write the proportion equation
   89,730.89 : 123,831.23 = 49,447.25 : x
2. Step 2: Convert to fraction form
   89,730.89/123,831.23 = 49,447.25/x
3. Step 3: Cross multiply
   89,730.89x = 123,831.23 × 49,447.25
4. Step 4: Simplify right side
   89,730.89x = 6,123,113,787.62
5. Step 5: Solve for x
   x = 6,123,113,787.62/89,730.89
6. Step 6: Final answer
   x = 68,238.64