Finding the Fourth Proportional to 448,469.73, 618,876.72 and 244,521.05

Step by Step Solution

1. Step 1: Write the proportion equation
   448,469.73 : 618,876.72 = 244,521.05 : x
2. Step 2: Convert to fraction form
   448,469.73/618,876.72 = 244,521.05/x
3. Step 3: Cross multiply
   448,469.73x = 618,876.72 × 244,521.05
4. Step 4: Simplify right side
   448,469.73x = 151,328,382,300.57
5. Step 5: Solve for x
   x = 151,328,382,300.57/448,469.73
6. Step 6: Final answer
   x = 337,432.77