Finding the Fourth Proportional to 1,322.38, 1,824.88 and 798.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,322.38 : 1,824.88 = 798.31 : x
2. Step 2: Convert to fraction form
   1,322.38/1,824.88 = 798.31/x
3. Step 3: Cross multiply
   1,322.38x = 1,824.88 × 798.31
4. Step 4: Simplify right side
   1,322.38x = 1,456,810.83
5. Step 5: Solve for x
   x = 1,456,810.83/1,322.38
6. Step 6: Final answer
   x = 1,101.66