Finding the Fourth Proportional to 2,628,271.20, 3,940,851.60 and 1,368,559.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,628,271.20 : 3,940,851.60 = 1,368,559.20 : x
2. Step 2: Convert to fraction form
   2,628,271.20/3,940,851.60 = 1,368,559.20/x
3. Step 3: Cross multiply
   2,628,271.20x = 3,940,851.60 × 1,368,559.20
4. Step 4: Simplify right side
   2,628,271.20x = 5,393,288,713,014.72
5. Step 5: Solve for x
   x = 5,393,288,713,014.72/2,628,271.20
6. Step 6: Final answer
   x = 2,052,029.00