Finding the Fourth Proportional to 2,022.80, 3,030.42 and 1,154.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,022.80 : 3,030.42 = 1,154.48 : x
2. Step 2: Convert to fraction form
   2,022.80/3,030.42 = 1,154.48/x
3. Step 3: Cross multiply
   2,022.80x = 3,030.42 × 1,154.48
4. Step 4: Simplify right side
   2,022.80x = 3,498,559.28
5. Step 5: Solve for x
   x = 3,498,559.28/2,022.80
6. Step 6: Final answer
   x = 1,729.56