Finding the Fourth Proportional to 2,321.82, 3,480.39 and 1,022.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,321.82 : 3,480.39 = 1,022.22 : x
2. Step 2: Convert to fraction form
   2,321.82/3,480.39 = 1,022.22/x
3. Step 3: Cross multiply
   2,321.82x = 3,480.39 × 1,022.22
4. Step 4: Simplify right side
   2,321.82x = 3,557,724.27
5. Step 5: Solve for x
   x = 3,557,724.27/2,321.82
6. Step 6: Final answer
   x = 1,532.30