Finding the Fourth Proportional to 2,022.08, 2,790.56 and 1,324.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,022.08 : 2,790.56 = 1,324.80 : x
2. Step 2: Convert to fraction form
   2,022.08/2,790.56 = 1,324.80/x
3. Step 3: Cross multiply
   2,022.08x = 2,790.56 × 1,324.80
4. Step 4: Simplify right side
   2,022.08x = 3,696,933.89
5. Step 5: Solve for x
   x = 3,696,933.89/2,022.08
6. Step 6: Final answer
   x = 1,828.28