Finding the Fourth Proportional to 2,198.59, 3,295.58 and 1,581.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,198.59 : 3,295.58 = 1,581.96 : x
2. Step 2: Convert to fraction form
   2,198.59/3,295.58 = 1,581.96/x
3. Step 3: Cross multiply
   2,198.59x = 3,295.58 × 1,581.96
4. Step 4: Simplify right side
   2,198.59x = 5,213,470.55
5. Step 5: Solve for x
   x = 5,213,470.55/2,198.59
6. Step 6: Final answer
   x = 2,371.28