Finding the Fourth Proportional to 1,321.04, 1,822.56 and 796.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,321.04 : 1,822.56 = 796.88 : x
2. Step 2: Convert to fraction form
   1,321.04/1,822.56 = 796.88/x
3. Step 3: Cross multiply
   1,321.04x = 1,822.56 × 796.88
4. Step 4: Simplify right side
   1,321.04x = 1,452,361.61
5. Step 5: Solve for x
   x = 1,452,361.61/1,321.04
6. Step 6: Final answer
   x = 1,099.41