Finding the Fourth Proportional to 2,200,398.57, 3,300,896.79 and 683,797.95

Step by Step Solution

1. Step 1: Write the proportion equation
   2,200,398.57 : 3,300,896.79 = 683,797.95 : x
2. Step 2: Convert to fraction form
   2,200,398.57/3,300,896.79 = 683,797.95/x
3. Step 3: Cross multiply
   2,200,398.57x = 3,300,896.79 × 683,797.95
4. Step 4: Simplify right side
   2,200,398.57x = 2,257,146,458,163.58
5. Step 5: Solve for x
   x = 2,257,146,458,163.58/2,200,398.57
6. Step 6: Final answer
   x = 1,025,789.82