Finding the Fourth Proportional to 1,320.15, 1,822.01 and 796.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,320.15 : 1,822.01 = 796.47 : x
2. Step 2: Convert to fraction form
   1,320.15/1,822.01 = 796.47/x
3. Step 3: Cross multiply
   1,320.15x = 1,822.01 × 796.47
4. Step 4: Simplify right side
   1,320.15x = 1,451,176.30
5. Step 5: Solve for x
   x = 1,451,176.30/1,320.15
6. Step 6: Final answer
   x = 1,099.25