Finding the Fourth Proportional to 1,426.39, 1,968.46 and 796.90

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.39 : 1,968.46 = 796.90 : x
2. Step 2: Convert to fraction form
   1,426.39/1,968.46 = 796.90/x
3. Step 3: Cross multiply
   1,426.39x = 1,968.46 × 796.90
4. Step 4: Simplify right side
   1,426.39x = 1,568,660.85
5. Step 5: Solve for x
   x = 1,568,660.85/1,426.39
6. Step 6: Final answer
   x = 1,099.74