Finding the Fourth Proportional to 2,792,760.29, 4,188,826.77 and 771,291.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,792,760.29 : 4,188,826.77 = 771,291.59 : x
2. Step 2: Convert to fraction form
   2,792,760.29/4,188,826.77 = 771,291.59/x
3. Step 3: Cross multiply
   2,792,760.29x = 4,188,826.77 × 771,291.59
4. Step 4: Simplify right side
   2,792,760.29x = 3,230,806,851,539.49
5. Step 5: Solve for x
   x = 3,230,806,851,539.49/2,792,760.29
6. Step 6: Final answer
   x = 1,156,850.75