Finding the Fourth Proportional to 82.24, 123.46 and 43.67

Step by Step Solution

1. Step 1: Write the proportion equation
   82.24 : 123.46 = 43.67 : x
2. Step 2: Convert to fraction form
   82.24/123.46 = 43.67/x
3. Step 3: Cross multiply
   82.24x = 123.46 × 43.67
4. Step 4: Simplify right side
   82.24x = 5,391.70
5. Step 5: Solve for x
   x = 5,391.70/82.24
6. Step 6: Final answer
   x = 65.56