Finding the Fourth Proportional to 142.18, 196.06 and 95.55

Step by Step Solution

1. Step 1: Write the proportion equation
   142.18 : 196.06 = 95.55 : x
2. Step 2: Convert to fraction form
   142.18/196.06 = 95.55/x
3. Step 3: Cross multiply
   142.18x = 196.06 × 95.55
4. Step 4: Simplify right side
   142.18x = 18,733.53
5. Step 5: Solve for x
   x = 18,733.53/142.18
6. Step 6: Final answer
   x = 131.76