Finding the Fourth Proportional to 89.27, 133.99 and 43.67

Step by Step Solution

1. Step 1: Write the proportion equation
   89.27 : 133.99 = 43.67 : x
2. Step 2: Convert to fraction form
   89.27/133.99 = 43.67/x
3. Step 3: Cross multiply
   89.27x = 133.99 × 43.67
4. Step 4: Simplify right side
   89.27x = 5,851.12
5. Step 5: Solve for x
   x = 5,851.12/89.27
6. Step 6: Final answer
   x = 65.54