Finding the Fourth Proportional to 2,550,534.50, 3,826,306.26 and 728,915.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,550,534.50 : 3,826,306.26 = 728,915.78 : x
2. Step 2: Convert to fraction form
   2,550,534.50/3,826,306.26 = 728,915.78/x
3. Step 3: Cross multiply
   2,550,534.50x = 3,826,306.26 × 728,915.78
4. Step 4: Simplify right side
   2,550,534.50x = 2,789,055,012,026.78
5. Step 5: Solve for x
   x = 2,789,055,012,026.78/2,550,534.50
6. Step 6: Final answer
   x = 1,093,517.85