Finding the Fourth Proportional to 2,019.24, 3,024.42 and 1,668.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019.24 : 3,024.42 = 1,668.60 : x
2. Step 2: Convert to fraction form
   2,019.24/3,024.42 = 1,668.60/x
3. Step 3: Cross multiply
   2,019.24x = 3,024.42 × 1,668.60
4. Step 4: Simplify right side
   2,019.24x = 5,046,547.21
5. Step 5: Solve for x
   x = 5,046,547.21/2,019.24
6. Step 6: Final answer
   x = 2,499.23