Finding the Fourth Proportional to 2,099,400.43, 3,149,600.40 and 679,456.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,099,400.43 : 3,149,600.40 = 679,456.52 : x
2. Step 2: Convert to fraction form
   2,099,400.43/3,149,600.40 = 679,456.52/x
3. Step 3: Cross multiply
   2,099,400.43x = 3,149,600.40 × 679,456.52
4. Step 4: Simplify right side
   2,099,400.43x = 2,140,016,523,777.33
5. Step 5: Solve for x
   x = 2,140,016,523,777.33/2,099,400.43
6. Step 6: Final answer
   x = 1,019,346.52