Finding the Fourth Proportional to 142.24, 196.17 and 95.59

Step by Step Solution

1. Step 1: Write the proportion equation
   142.24 : 196.17 = 95.59 : x
2. Step 2: Convert to fraction form
   142.24/196.17 = 95.59/x
3. Step 3: Cross multiply
   142.24x = 196.17 × 95.59
4. Step 4: Simplify right side
   142.24x = 18,751.89
5. Step 5: Solve for x
   x = 18,751.89/142.24
6. Step 6: Final answer
   x = 131.84