Finding the Fourth Proportional to 11.23, 15.50 and 8.00

Step by Step Solution

1. Step 1: Write the proportion equation
   11.23 : 15.50 = 8.00 : x
2. Step 2: Convert to fraction form
   11.23/15.50 = 8.00/x
3. Step 3: Cross multiply
   11.23x = 15.50 × 8.00
4. Step 4: Simplify right side
   11.23x = 123.88
5. Step 5: Solve for x
   x = 123.88/11.23
6. Step 6: Final answer
   x = 11.03