Finding the Fourth Proportional to 1,009.33, 1,391.27 and 796.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,009.33 : 1,391.27 = 796.30 : x
2. Step 2: Convert to fraction form
   1,009.33/1,391.27 = 796.30/x
3. Step 3: Cross multiply
   1,009.33x = 1,391.27 × 796.30
4. Step 4: Simplify right side
   1,009.33x = 1,107,868.30
5. Step 5: Solve for x
   x = 1,107,868.30/1,009.33
6. Step 6: Final answer
   x = 1,097.63