Finding the Fourth Proportional to 96.15, 144.18 and 35.31

Step by Step Solution

1. Step 1: Write the proportion equation
   96.15 : 144.18 = 35.31 : x
2. Step 2: Convert to fraction form
   96.15/144.18 = 35.31/x
3. Step 3: Cross multiply
   96.15x = 144.18 × 35.31
4. Step 4: Simplify right side
   96.15x = 5,091.00
5. Step 5: Solve for x
   x = 5,091.00/96.15
6. Step 6: Final answer
   x = 52.95