Finding the Fourth Proportional to 96.50, 144.72 and 35.61

Step by Step Solution

1. Step 1: Write the proportion equation
   96.50 : 144.72 = 35.61 : x
2. Step 2: Convert to fraction form
   96.50/144.72 = 35.61/x
3. Step 3: Cross multiply
   96.50x = 144.72 × 35.61
4. Step 4: Simplify right side
   96.50x = 5,153.48
5. Step 5: Solve for x
   x = 5,153.48/96.50
6. Step 6: Final answer
   x = 53.41