Finding the Fourth Proportional to 2,022.22, 2,791.20 and 1,182.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,022.22 : 2,791.20 = 1,182.88 : x
2. Step 2: Convert to fraction form
   2,022.22/2,791.20 = 1,182.88/x
3. Step 3: Cross multiply
   2,022.22x = 2,791.20 × 1,182.88
4. Step 4: Simplify right side
   2,022.22x = 3,301,654.66
5. Step 5: Solve for x
   x = 3,301,654.66/2,022.22
6. Step 6: Final answer
   x = 1,632.69