Finding the Fourth Proportional to 298,456.69, 447,640.89 and 108,872.68

Step by Step Solution

1. Step 1: Write the proportion equation
   298,456.69 : 447,640.89 = 108,872.68 : x
2. Step 2: Convert to fraction form
   298,456.69/447,640.89 = 108,872.68/x
3. Step 3: Cross multiply
   298,456.69x = 447,640.89 × 108,872.68
4. Step 4: Simplify right side
   298,456.69x = 48,735,863,371.89
5. Step 5: Solve for x
   x = 48,735,863,371.89/298,456.69
6. Step 6: Final answer
   x = 163,292.92