Finding the Fourth Proportional to 89.49, 134.25 and 35.42

Step by Step Solution

1. Step 1: Write the proportion equation
   89.49 : 134.25 = 35.42 : x
2. Step 2: Convert to fraction form
   89.49/134.25 = 35.42/x
3. Step 3: Cross multiply
   89.49x = 134.25 × 35.42
4. Step 4: Simplify right side
   89.49x = 4,755.14
5. Step 5: Solve for x
   x = 4,755.14/89.49
6. Step 6: Final answer
   x = 53.14