Finding the Fourth Proportional to 2,399,479, 3,311,320.37 and 1,432,693.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,399,479 : 3,311,320.37 = 1,432,693.78 : x
2. Step 2: Convert to fraction form
   2,399,479/3,311,320.37 = 1,432,693.78/x
3. Step 3: Cross multiply
   2,399,479x = 3,311,320.37 × 1,432,693.78
4. Step 4: Simplify right side
   2,399,479x = 4,744,108,097,686.30
5. Step 5: Solve for x
   x = 4,744,108,097,686.30/2,399,479
6. Step 6: Final answer
   x = 1,977,140.91