Finding the Fourth Proportional to 2,099,399.18, 3,149,598.51 and 679,455.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,099,399.18 : 3,149,598.51 = 679,455.27 : x
2. Step 2: Convert to fraction form
   2,099,399.18/3,149,598.51 = 679,455.27/x
3. Step 3: Cross multiply
   2,099,399.18x = 3,149,598.51 × 679,455.27
4. Step 4: Simplify right side
   2,099,399.18x = 2,140,011,306,003.65
5. Step 5: Solve for x
   x = 2,140,011,306,003.65/2,099,399.18
6. Step 6: Final answer
   x = 1,019,344.64