Finding the Fourth Proportional to 89.50, 134.34 and 38.17

Step by Step Solution

1. Step 1: Write the proportion equation
   89.50 : 134.34 = 38.17 : x
2. Step 2: Convert to fraction form
   89.50/134.34 = 38.17/x
3. Step 3: Cross multiply
   89.50x = 134.34 × 38.17
4. Step 4: Simplify right side
   89.50x = 5,127.76
5. Step 5: Solve for x
   x = 5,127.76/89.50
6. Step 6: Final answer
   x = 57.29