Finding the Fourth Proportional to 2,565,939.20, 3,541,107.22 and 1,420,019.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,565,939.20 : 3,541,107.22 = 1,420,019.92 : x
2. Step 2: Convert to fraction form
   2,565,939.20/3,541,107.22 = 1,420,019.92/x
3. Step 3: Cross multiply
   2,565,939.20x = 3,541,107.22 × 1,420,019.92
4. Step 4: Simplify right side
   2,565,939.20x = 5,028,442,791,255.82
5. Step 5: Solve for x
   x = 5,028,442,791,255.82/2,565,939.20
6. Step 6: Final answer
   x = 1,959,688.99