Finding the Fourth Proportional to 2,665,733.88, 3,990,308.42 and 1,448,266.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665,733.88 : 3,990,308.42 = 1,448,266.20 : x
2. Step 2: Convert to fraction form
   2,665,733.88/3,990,308.42 = 1,448,266.20/x
3. Step 3: Cross multiply
   2,665,733.88x = 3,990,308.42 × 1,448,266.20
4. Step 4: Simplify right side
   2,665,733.88x = 5,779,028,812,261.40
5. Step 5: Solve for x
   x = 5,779,028,812,261.40/2,665,733.88
6. Step 6: Final answer
   x = 2,167,894.12