Finding the Fourth Proportional to 1,426.87, 1,968.94 and 797.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.87 : 1,968.94 = 797.43 : x
2. Step 2: Convert to fraction form
   1,426.87/1,968.94 = 797.43/x
3. Step 3: Cross multiply
   1,426.87x = 1,968.94 × 797.43
4. Step 4: Simplify right side
   1,426.87x = 1,570,077.99
5. Step 5: Solve for x
   x = 1,570,077.99/1,426.87
6. Step 6: Final answer
   x = 1,100.37