Finding the Fourth Proportional to 2,324.81, 3,205.37 and 1,661.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,324.81 : 3,205.37 = 1,661.42 : x
2. Step 2: Convert to fraction form
   2,324.81/3,205.37 = 1,661.42/x
3. Step 3: Cross multiply
   2,324.81x = 3,205.37 × 1,661.42
4. Step 4: Simplify right side
   2,324.81x = 5,325,457.52
5. Step 5: Solve for x
   x = 5,325,457.52/2,324.81
6. Step 6: Final answer
   x = 2,290.71