Finding the Fourth Proportional to 2,397.20, 3,595.89 and 1,098.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,397.20 : 3,595.89 = 1,098.56 : x
2. Step 2: Convert to fraction form
   2,397.20/3,595.89 = 1,098.56/x
3. Step 3: Cross multiply
   2,397.20x = 3,595.89 × 1,098.56
4. Step 4: Simplify right side
   2,397.20x = 3,950,314.03
5. Step 5: Solve for x
   x = 3,950,314.03/2,397.20
6. Step 6: Final answer
   x = 1,647.89