Finding the Fourth Proportional to 1,426.38, 1,968.42 and 796.90

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.38 : 1,968.42 = 796.90 : x
2. Step 2: Convert to fraction form
   1,426.38/1,968.42 = 796.90/x
3. Step 3: Cross multiply
   1,426.38x = 1,968.42 × 796.90
4. Step 4: Simplify right side
   1,426.38x = 1,568,633.90
5. Step 5: Solve for x
   x = 1,568,633.90/1,426.38
6. Step 6: Final answer
   x = 1,099.73