Finding the Fourth Proportional to 89.48, 134.19 and 38.09

Step by Step Solution

1. Step 1: Write the proportion equation
   89.48 : 134.19 = 38.09 : x
2. Step 2: Convert to fraction form
   89.48/134.19 = 38.09/x
3. Step 3: Cross multiply
   89.48x = 134.19 × 38.09
4. Step 4: Simplify right side
   89.48x = 5,111.30
5. Step 5: Solve for x
   x = 5,111.30/89.48
6. Step 6: Final answer
   x = 57.13