Finding the Fourth Proportional to 2,022.39, 3,028.77 and 1,142.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,022.39 : 3,028.77 = 1,142.73 : x
2. Step 2: Convert to fraction form
   2,022.39/3,028.77 = 1,142.73/x
3. Step 3: Cross multiply
   2,022.39x = 3,028.77 × 1,142.73
4. Step 4: Simplify right side
   2,022.39x = 3,461,066.34
5. Step 5: Solve for x
   x = 3,461,066.34/2,022.39
6. Step 6: Final answer
   x = 1,711.37