Finding the Fourth Proportional to 1,426.25, 1,968.28 and 796.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.25 : 1,968.28 = 796.81 : x
2. Step 2: Convert to fraction form
   1,426.25/1,968.28 = 796.81/x
3. Step 3: Cross multiply
   1,426.25x = 1,968.28 × 796.81
4. Step 4: Simplify right side
   1,426.25x = 1,568,345.19
5. Step 5: Solve for x
   x = 1,568,345.19/1,426.25
6. Step 6: Final answer
   x = 1,099.63