Finding the Fourth Proportional to 104.72, 144.72 and 96.32

Step by Step Solution

1. Step 1: Write the proportion equation
   104.72 : 144.72 = 96.32 : x
2. Step 2: Convert to fraction form
   104.72/144.72 = 96.32/x
3. Step 3: Cross multiply
   104.72x = 144.72 × 96.32
4. Step 4: Simplify right side
   104.72x = 13,939.43
5. Step 5: Solve for x
   x = 13,939.43/104.72
6. Step 6: Final answer
   x = 133.11