Finding the Fourth Proportional to 96.50, 144.59 and 69.42

Step by Step Solution

1. Step 1: Write the proportion equation
   96.50 : 144.59 = 69.42 : x
2. Step 2: Convert to fraction form
   96.50/144.59 = 69.42/x
3. Step 3: Cross multiply
   96.50x = 144.59 × 69.42
4. Step 4: Simplify right side
   96.50x = 10,037.09
5. Step 5: Solve for x
   x = 10,037.09/96.50
6. Step 6: Final answer
   x = 104.02