Finding the Fourth Proportional to 2,017.94, 3,021.28 and 1,090.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,017.94 : 3,021.28 = 1,090.18 : x
2. Step 2: Convert to fraction form
   2,017.94/3,021.28 = 1,090.18/x
3. Step 3: Cross multiply
   2,017.94x = 3,021.28 × 1,090.18
4. Step 4: Simplify right side
   2,017.94x = 3,293,726.03
5. Step 5: Solve for x
   x = 3,293,726.03/2,017.94
6. Step 6: Final answer
   x = 1,632.22