Finding the Fourth Proportional to 11.16, 15.38 and 7.27

Step by Step Solution

1. Step 1: Write the proportion equation
   11.16 : 15.38 = 7.27 : x
2. Step 2: Convert to fraction form
   11.16/15.38 = 7.27/x
3. Step 3: Cross multiply
   11.16x = 15.38 × 7.27
4. Step 4: Simplify right side
   11.16x = 111.81
5. Step 5: Solve for x
   x = 111.81/11.16
6. Step 6: Final answer
   x = 10.02