Finding the Fourth Proportional to 1,426.70, 1,968.82 and 797.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.70 : 1,968.82 = 797.28 : x
2. Step 2: Convert to fraction form
   1,426.70/1,968.82 = 797.28/x
3. Step 3: Cross multiply
   1,426.70x = 1,968.82 × 797.28
4. Step 4: Simplify right side
   1,426.70x = 1,569,700.81
5. Step 5: Solve for x
   x = 1,569,700.81/1,426.70
6. Step 6: Final answer
   x = 1,100.23