Finding the Fourth Proportional to 89.69, 134.42 and 44.05

Step by Step Solution

1. Step 1: Write the proportion equation
   89.69 : 134.42 = 44.05 : x
2. Step 2: Convert to fraction form
   89.69/134.42 = 44.05/x
3. Step 3: Cross multiply
   89.69x = 134.42 × 44.05
4. Step 4: Simplify right side
   89.69x = 5,921.40
5. Step 5: Solve for x
   x = 5,921.40/89.69
6. Step 6: Final answer
   x = 66.02