Finding the Fourth Proportional to 196.82, 271.82 and 180.42

Step by Step Solution

1. Step 1: Write the proportion equation
   196.82 : 271.82 = 180.42 : x
2. Step 2: Convert to fraction form
   196.82/271.82 = 180.42/x
3. Step 3: Cross multiply
   196.82x = 271.82 × 180.42
4. Step 4: Simplify right side
   196.82x = 49,041.76
5. Step 5: Solve for x
   x = 49,041.76/196.82
6. Step 6: Final answer
   x = 249.17