Finding the Fourth Proportional to 1,426.92, 1,969.20 and 797.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.92 : 1,969.20 = 797.49 : x
2. Step 2: Convert to fraction form
   1,426.92/1,969.20 = 797.49/x
3. Step 3: Cross multiply
   1,426.92x = 1,969.20 × 797.49
4. Step 4: Simplify right side
   1,426.92x = 1,570,417.31
5. Step 5: Solve for x
   x = 1,570,417.31/1,426.92
6. Step 6: Final answer
   x = 1,100.56