Finding the Fourth Proportional to 2,099,405.69, 3,149,608.23 and 679,461.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,099,405.69 : 3,149,608.23 = 679,461.77 : x
2. Step 2: Convert to fraction form
   2,099,405.69/3,149,608.23 = 679,461.77/x
3. Step 3: Cross multiply
   2,099,405.69x = 3,149,608.23 × 679,461.77
4. Step 4: Simplify right side
   2,099,405.69x = 2,140,038,367,014.33
5. Step 5: Solve for x
   x = 2,140,038,367,014.33/2,099,405.69
6. Step 6: Final answer
   x = 1,019,354.37