Finding the Fourth Proportional to 1,426.59, 1,968.63 and 797.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.59 : 1,968.63 = 797.15 : x
2. Step 2: Convert to fraction form
   1,426.59/1,968.63 = 797.15/x
3. Step 3: Cross multiply
   1,426.59x = 1,968.63 × 797.15
4. Step 4: Simplify right side
   1,426.59x = 1,569,283.56
5. Step 5: Solve for x
   x = 1,569,283.56/1,426.59
6. Step 6: Final answer
   x = 1,100.02