Finding the Fourth Proportional to 2,028.48, 3,042.72 and 1,644

Step by Step Solution

1. Step 1: Write the proportion equation
   2,028.48 : 3,042.72 = 1,644 : x
2. Step 2: Convert to fraction form
   2,028.48/3,042.72 = 1,644/x
3. Step 3: Cross multiply
   2,028.48x = 3,042.72 × 1,644
4. Step 4: Simplify right side
   2,028.48x = 5,002,231.68
5. Step 5: Solve for x
   x = 5,002,231.68/2,028.48
6. Step 6: Final answer
   x = 2,466