Finding the Fourth Proportional to 2,198.56, 3,296.72 and 1,028.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,198.56 : 3,296.72 = 1,028.24 : x
2. Step 2: Convert to fraction form
   2,198.56/3,296.72 = 1,028.24/x
3. Step 3: Cross multiply
   2,198.56x = 3,296.72 × 1,028.24
4. Step 4: Simplify right side
   2,198.56x = 3,389,819.37
5. Step 5: Solve for x
   x = 3,389,819.37/2,198.56
6. Step 6: Final answer
   x = 1,541.84