Finding the Fourth Proportional to 196.76, 271.59 and 126.83

Step by Step Solution

1. Step 1: Write the proportion equation
   196.76 : 271.59 = 126.83 : x
2. Step 2: Convert to fraction form
   196.76/271.59 = 126.83/x
3. Step 3: Cross multiply
   196.76x = 271.59 × 126.83
4. Step 4: Simplify right side
   196.76x = 34,445.76
5. Step 5: Solve for x
   x = 34,445.76/196.76
6. Step 6: Final answer
   x = 175.06