Finding the Fourth Proportional to 10.82, 16.22 and 3.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10.82 : 16.22 = 3.69 : x
2. Step 2: Convert to fraction form
   10.82/16.22 = 3.69/x
3. Step 3: Cross multiply
   10.82x = 16.22 × 3.69
4. Step 4: Simplify right side
   10.82x = 59.85
5. Step 5: Solve for x
   x = 59.85/10.82
6. Step 6: Final answer
   x = 5.53