Finding the Fourth Proportional to 96.56, 144.83 and 42.42

Step by Step Solution

1. Step 1: Write the proportion equation
   96.56 : 144.83 = 42.42 : x
2. Step 2: Convert to fraction form
   96.56/144.83 = 42.42/x
3. Step 3: Cross multiply
   96.56x = 144.83 × 42.42
4. Step 4: Simplify right side
   96.56x = 6,143.69
5. Step 5: Solve for x
   x = 6,143.69/96.56
6. Step 6: Final answer
   x = 63.63