Finding the Fourth Proportional to 1,426.68, 1,968.84 and 797.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.68 : 1,968.84 = 797.24 : x
2. Step 2: Convert to fraction form
   1,426.68/1,968.84 = 797.24/x
3. Step 3: Cross multiply
   1,426.68x = 1,968.84 × 797.24
4. Step 4: Simplify right side
   1,426.68x = 1,569,642.92
5. Step 5: Solve for x
   x = 1,569,642.92/1,426.68
6. Step 6: Final answer
   x = 1,100.21