Finding the Fourth Proportional to 2,225.72, 3,339.56 and 1,198.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,225.72 : 3,339.56 = 1,198.52 : x
2. Step 2: Convert to fraction form
   2,225.72/3,339.56 = 1,198.52/x
3. Step 3: Cross multiply
   2,225.72x = 3,339.56 × 1,198.52
4. Step 4: Simplify right side
   2,225.72x = 4,002,529.45
5. Step 5: Solve for x
   x = 4,002,529.45/2,225.72
6. Step 6: Final answer
   x = 1,798.31