Finding the Fourth Proportional to 2,658.16, 3,668.34 and 1,610.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,658.16 : 3,668.34 = 1,610.20 : x
2. Step 2: Convert to fraction form
   2,658.16/3,668.34 = 1,610.20/x
3. Step 3: Cross multiply
   2,658.16x = 3,668.34 × 1,610.20
4. Step 4: Simplify right side
   2,658.16x = 5,906,761.07
5. Step 5: Solve for x
   x = 5,906,761.07/2,658.16
6. Step 6: Final answer
   x = 2,222.12