Finding the Fourth Proportional to 196.76, 271.42 and 123.03

Step by Step Solution

1. Step 1: Write the proportion equation
   196.76 : 271.42 = 123.03 : x
2. Step 2: Convert to fraction form
   196.76/271.42 = 123.03/x
3. Step 3: Cross multiply
   196.76x = 271.42 × 123.03
4. Step 4: Simplify right side
   196.76x = 33,392.80
5. Step 5: Solve for x
   x = 33,392.80/196.76
6. Step 6: Final answer
   x = 169.71