Finding the Fourth Proportional to 89.37, 134.10 and 35.31

Step by Step Solution

1. Step 1: Write the proportion equation
   89.37 : 134.10 = 35.31 : x
2. Step 2: Convert to fraction form
   89.37/134.10 = 35.31/x
3. Step 3: Cross multiply
   89.37x = 134.10 × 35.31
4. Step 4: Simplify right side
   89.37x = 4,735.07
5. Step 5: Solve for x
   x = 4,735.07/89.37
6. Step 6: Final answer
   x = 52.98