Finding the Fourth Proportional to 89.41, 123.59 and 82.24

Step by Step Solution

1. Step 1: Write the proportion equation
   89.41 : 123.59 = 82.24 : x
2. Step 2: Convert to fraction form
   89.41/123.59 = 82.24/x
3. Step 3: Cross multiply
   89.41x = 123.59 × 82.24
4. Step 4: Simplify right side
   89.41x = 10,163.94
5. Step 5: Solve for x
   x = 10,163.94/89.41
6. Step 6: Final answer
   x = 113.68