Finding the Fourth Proportional to 11.09, 15.24 and 10.00

Step by Step Solution

1. Step 1: Write the proportion equation
   11.09 : 15.24 = 10.00 : x
2. Step 2: Convert to fraction form
   11.09/15.24 = 10.00/x
3. Step 3: Cross multiply
   11.09x = 15.24 × 10.00
4. Step 4: Simplify right side
   11.09x = 152.38
5. Step 5: Solve for x
   x = 152.38/11.09
6. Step 6: Final answer
   x = 13.73