Finding the Fourth Proportional to 2,099,832.96, 3,150,251.16 and 679,890.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,099,832.96 : 3,150,251.16 = 679,890.60 : x
2. Step 2: Convert to fraction form
   2,099,832.96/3,150,251.16 = 679,890.60/x
3. Step 3: Cross multiply
   2,099,832.96x = 3,150,251.16 × 679,890.60
4. Step 4: Simplify right side
   2,099,832.96x = 2,141,826,151,323.10
5. Step 5: Solve for x
   x = 2,141,826,151,323.10/2,099,832.96
6. Step 6: Final answer
   x = 1,019,998.35