Finding the Fourth Proportional to 89.69, 134.55 and 44.06

Step by Step Solution

1. Step 1: Write the proportion equation
   89.69 : 134.55 = 44.06 : x
2. Step 2: Convert to fraction form
   89.69/134.55 = 44.06/x
3. Step 3: Cross multiply
   89.69x = 134.55 × 44.06
4. Step 4: Simplify right side
   89.69x = 5,927.60
5. Step 5: Solve for x
   x = 5,927.60/89.69
6. Step 6: Final answer
   x = 66.09