Finding the Fourth Proportional to 89.56, 134.22 and 35.42

Step by Step Solution

1. Step 1: Write the proportion equation
   89.56 : 134.22 = 35.42 : x
2. Step 2: Convert to fraction form
   89.56/134.22 = 35.42/x
3. Step 3: Cross multiply
   89.56x = 134.22 × 35.42
4. Step 4: Simplify right side
   89.56x = 4,754.07
5. Step 5: Solve for x
   x = 4,754.07/89.56
6. Step 6: Final answer
   x = 53.09