Finding the Fourth Proportional to 2,018.04, 3,022.20 and 1,149.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.04 : 3,022.20 = 1,149.72 : x
2. Step 2: Convert to fraction form
   2,018.04/3,022.20 = 1,149.72/x
3. Step 3: Cross multiply
   2,018.04x = 3,022.20 × 1,149.72
4. Step 4: Simplify right side
   2,018.04x = 3,474,683.78
5. Step 5: Solve for x
   x = 3,474,683.78/2,018.04
6. Step 6: Final answer
   x = 1,721.81