Finding the Fourth Proportional to 1,426.73, 1,968.86 and 797.26

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.73 : 1,968.86 = 797.26 : x
2. Step 2: Convert to fraction form
   1,426.73/1,968.86 = 797.26/x
3. Step 3: Cross multiply
   1,426.73x = 1,968.86 × 797.26
4. Step 4: Simplify right side
   1,426.73x = 1,569,689.60
5. Step 5: Solve for x
   x = 1,569,689.60/1,426.73
6. Step 6: Final answer
   x = 1,100.20