Finding the Fourth Proportional to 2,099,411.20, 3,149,616.53 and 679,467.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,099,411.20 : 3,149,616.53 = 679,467.26 : x
2. Step 2: Convert to fraction form
   2,099,411.20/3,149,616.53 = 679,467.26/x
3. Step 3: Cross multiply
   2,099,411.20x = 3,149,616.53 × 679,467.26
4. Step 4: Simplify right side
   2,099,411.20x = 2,140,061,323,262.52
5. Step 5: Solve for x
   x = 2,140,061,323,262.52/2,099,411.20
6. Step 6: Final answer
   x = 1,019,362.63