Finding the Fourth Proportional to 2,099,400.50, 3,149,600.48 and 679,456.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,099,400.50 : 3,149,600.48 = 679,456.58 : x
2. Step 2: Convert to fraction form
   2,099,400.50/3,149,600.48 = 679,456.58/x
3. Step 3: Cross multiply
   2,099,400.50x = 3,149,600.48 × 679,456.58
4. Step 4: Simplify right side
   2,099,400.50x = 2,140,016,770,507.16
5. Step 5: Solve for x
   x = 2,140,016,770,507.16/2,099,400.50
6. Step 6: Final answer
   x = 1,019,346.60