Finding the Fourth Proportional to 2,216,139.83, 3,324,309.27 and 679,022.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,216,139.83 : 3,324,309.27 = 679,022.60 : x
2. Step 2: Convert to fraction form
   2,216,139.83/3,324,309.27 = 679,022.60/x
3. Step 3: Cross multiply
   2,216,139.83x = 3,324,309.27 × 679,022.60
4. Step 4: Simplify right side
   2,216,139.83x = 2,257,281,123,719.50
5. Step 5: Solve for x
   x = 2,257,281,123,719.50/2,216,139.83
6. Step 6: Final answer
   x = 1,018,564.39