Finding the Fourth Proportional to 142.47, 196.59 and 119.10

Step by Step Solution

1. Step 1: Write the proportion equation
   142.47 : 196.59 = 119.10 : x
2. Step 2: Convert to fraction form
   142.47/196.59 = 119.10/x
3. Step 3: Cross multiply
   142.47x = 196.59 × 119.10
4. Step 4: Simplify right side
   142.47x = 23,412.39
5. Step 5: Solve for x
   x = 23,412.39/142.47
6. Step 6: Final answer
   x = 164.34