Finding the Fourth Proportional to 2,099,400.18, 3,149,600.01 and 679,456.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,099,400.18 : 3,149,600.01 = 679,456.27 : x
2. Step 2: Convert to fraction form
   2,099,400.18/3,149,600.01 = 679,456.27/x
3. Step 3: Cross multiply
   2,099,400.18x = 3,149,600.01 × 679,456.27
4. Step 4: Simplify right side
   2,099,400.18x = 2,140,015,474,786.56
5. Step 5: Solve for x
   x = 2,140,015,474,786.56/2,099,400.18
6. Step 6: Final answer
   x = 1,019,346.14