Finding the Fourth Proportional to 89.82, 134.71 and 38.48

Step by Step Solution

1. Step 1: Write the proportion equation
   89.82 : 134.71 = 38.48 : x
2. Step 2: Convert to fraction form
   89.82/134.71 = 38.48/x
3. Step 3: Cross multiply
   89.82x = 134.71 × 38.48
4. Step 4: Simplify right side
   89.82x = 5,183.64
5. Step 5: Solve for x
   x = 5,183.64/89.82
6. Step 6: Final answer
   x = 57.71