Finding the Fourth Proportional to 2,198.34, 3,293.87 and 1,581.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,198.34 : 3,293.87 = 1,581.12 : x
2. Step 2: Convert to fraction form
   2,198.34/3,293.87 = 1,581.12/x
3. Step 3: Cross multiply
   2,198.34x = 3,293.87 × 1,581.12
4. Step 4: Simplify right side
   2,198.34x = 5,207,995.83
5. Step 5: Solve for x
   x = 5,207,995.83/2,198.34
6. Step 6: Final answer
   x = 2,369.06