Finding the Fourth Proportional to 105.37, 158.02 and 88.09

Step by Step Solution

1. Step 1: Write the proportion equation
   105.37 : 158.02 = 88.09 : x
2. Step 2: Convert to fraction form
   105.37/158.02 = 88.09/x
3. Step 3: Cross multiply
   105.37x = 158.02 × 88.09
4. Step 4: Simplify right side
   105.37x = 13,919.37
5. Step 5: Solve for x
   x = 13,919.37/105.37
6. Step 6: Final answer
   x = 132.10