Finding the Fourth Proportional to 2,018.19, 3,019.98 and 1,668.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.19 : 3,019.98 = 1,668.27 : x
2. Step 2: Convert to fraction form
   2,018.19/3,019.98 = 1,668.27/x
3. Step 3: Cross multiply
   2,018.19x = 3,019.98 × 1,668.27
4. Step 4: Simplify right side
   2,018.19x = 5,038,142.03
5. Step 5: Solve for x
   x = 5,038,142.03/2,018.19
6. Step 6: Final answer
   x = 2,496.37