Finding the Fourth Proportional to 89.69, 134.43 and 38.32

Step by Step Solution

1. Step 1: Write the proportion equation
   89.69 : 134.43 = 38.32 : x
2. Step 2: Convert to fraction form
   89.69/134.43 = 38.32/x
3. Step 3: Cross multiply
   89.69x = 134.43 × 38.32
4. Step 4: Simplify right side
   89.69x = 5,150.49
5. Step 5: Solve for x
   x = 5,150.49/89.69
6. Step 6: Final answer
   x = 57.43