Finding the Fourth Proportional to 1,144.48, 1,713.12 and 796.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,144.48 : 1,713.12 = 796.80 : x
2. Step 2: Convert to fraction form
   1,144.48/1,713.12 = 796.80/x
3. Step 3: Cross multiply
   1,144.48x = 1,713.12 × 796.80
4. Step 4: Simplify right side
   1,144.48x = 1,365,014.02
5. Step 5: Solve for x
   x = 1,365,014.02/1,144.48
6. Step 6: Final answer
   x = 1,192.69