Finding the Fourth Proportional to 2,018.52, 3,022.26 and 1,668.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.52 : 3,022.26 = 1,668.60 : x
2. Step 2: Convert to fraction form
   2,018.52/3,022.26 = 1,668.60/x
3. Step 3: Cross multiply
   2,018.52x = 3,022.26 × 1,668.60
4. Step 4: Simplify right side
   2,018.52x = 5,042,943.04
5. Step 5: Solve for x
   x = 5,042,943.04/2,018.52
6. Step 6: Final answer
   x = 2,498.34