Finding the Fourth Proportional to 11.24, 15.52 and 7.96

Step by Step Solution

1. Step 1: Write the proportion equation
   11.24 : 15.52 = 7.96 : x
2. Step 2: Convert to fraction form
   11.24/15.52 = 7.96/x
3. Step 3: Cross multiply
   11.24x = 15.52 × 7.96
4. Step 4: Simplify right side
   11.24x = 123.54
5. Step 5: Solve for x
   x = 123.54/11.24
6. Step 6: Final answer
   x = 10.99