Finding the Fourth Proportional to 11.58, 15.98 and 7.27

Step by Step Solution

1. Step 1: Write the proportion equation
   11.58 : 15.98 = 7.27 : x
2. Step 2: Convert to fraction form
   11.58/15.98 = 7.27/x
3. Step 3: Cross multiply
   11.58x = 15.98 × 7.27
4. Step 4: Simplify right side
   11.58x = 116.10
5. Step 5: Solve for x
   x = 116.10/11.58
6. Step 6: Final answer
   x = 10.03