Finding the Fourth Proportional to 2,099,406.39, 3,149,609.33 and 679,462.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,099,406.39 : 3,149,609.33 = 679,462.48 : x
2. Step 2: Convert to fraction form
   2,099,406.39/3,149,609.33 = 679,462.48/x
3. Step 3: Cross multiply
   2,099,406.39x = 3,149,609.33 × 679,462.48
4. Step 4: Simplify right side
   2,099,406.39x = 2,140,041,366,392.94
5. Step 5: Solve for x
   x = 2,140,041,366,392.94/2,099,406.39
6. Step 6: Final answer
   x = 1,019,355.46