Finding the Fourth Proportional to 1,320.88, 1,822.83 and 796.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,320.88 : 1,822.83 = 796.81 : x
2. Step 2: Convert to fraction form
   1,320.88/1,822.83 = 796.81/x
3. Step 3: Cross multiply
   1,320.88x = 1,822.83 × 796.81
4. Step 4: Simplify right side
   1,320.88x = 1,452,449.17
5. Step 5: Solve for x
   x = 1,452,449.17/1,320.88
6. Step 6: Final answer
   x = 1,099.61