Finding the Fourth Proportional to 196.73, 271.52 and 126.79

Step by Step Solution

1. Step 1: Write the proportion equation
   196.73 : 271.52 = 126.79 : x
2. Step 2: Convert to fraction form
   196.73/271.52 = 126.79/x
3. Step 3: Cross multiply
   196.73x = 271.52 × 126.79
4. Step 4: Simplify right side
   196.73x = 34,426.02
5. Step 5: Solve for x
   x = 34,426.02/196.73
6. Step 6: Final answer
   x = 174.99