Finding the Fourth Proportional to 2,665,734.88, 3,990,309.92 and 1,448,267.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665,734.88 : 3,990,309.92 = 1,448,267.20 : x
2. Step 2: Convert to fraction form
   2,665,734.88/3,990,309.92 = 1,448,267.20/x
3. Step 3: Cross multiply
   2,665,734.88x = 3,990,309.92 × 1,448,267.20
4. Step 4: Simplify right side
   2,665,734.88x = 5,779,034,974,970.62
5. Step 5: Solve for x
   x = 5,779,034,974,970.62/2,665,734.88
6. Step 6: Final answer
   x = 2,167,895.62