Finding the Fourth Proportional to 1,426.57, 1,968.46 and 797.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.57 : 1,968.46 = 797.02 : x
2. Step 2: Convert to fraction form
   1,426.57/1,968.46 = 797.02/x
3. Step 3: Cross multiply
   1,426.57x = 1,968.46 × 797.02
4. Step 4: Simplify right side
   1,426.57x = 1,568,901.99
5. Step 5: Solve for x
   x = 1,568,901.99/1,426.57
6. Step 6: Final answer
   x = 1,099.77