Finding the Fourth Proportional to 1,322.19, 1,822.82 and 1,023.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,322.19 : 1,822.82 = 1,023.89 : x
2. Step 2: Convert to fraction form
   1,322.19/1,822.82 = 1,023.89/x
3. Step 3: Cross multiply
   1,322.19x = 1,822.82 × 1,023.89
4. Step 4: Simplify right side
   1,322.19x = 1,866,352.94
5. Step 5: Solve for x
   x = 1,866,352.94/1,322.19
6. Step 6: Final answer
   x = 1,411.56