Finding the Fourth Proportional to 1,941,498.72, 2,913,559.20 and 679,337.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,941,498.72 : 2,913,559.20 = 679,337.28 : x
2. Step 2: Convert to fraction form
   1,941,498.72/2,913,559.20 = 679,337.28/x
3. Step 3: Cross multiply
   1,941,498.72x = 2,913,559.20 × 679,337.28
4. Step 4: Simplify right side
   1,941,498.72x = 1,979,289,382,046.98
5. Step 5: Solve for x
   x = 1,979,289,382,046.98/1,941,498.72
6. Step 6: Final answer
   x = 1,019,464.69