Finding the Fourth Proportional to 779,488.27, 1,076,726.58 and 627,100.42

Step by Step Solution

1. Step 1: Write the proportion equation
   779,488.27 : 1,076,726.58 = 627,100.42 : x
2. Step 2: Convert to fraction form
   779,488.27/1,076,726.58 = 627,100.42/x
3. Step 3: Cross multiply
   779,488.27x = 1,076,726.58 × 627,100.42
4. Step 4: Simplify right side
   779,488.27x = 675,215,690,543.16
5. Step 5: Solve for x
   x = 675,215,690,543.16/779,488.27
6. Step 6: Final answer
   x = 866,229.44