Finding the Fourth Proportional to 196.92, 271.82 and 131.46

Step by Step Solution

1. Step 1: Write the proportion equation
   196.92 : 271.82 = 131.46 : x
2. Step 2: Convert to fraction form
   196.92/271.82 = 131.46/x
3. Step 3: Cross multiply
   196.92x = 271.82 × 131.46
4. Step 4: Simplify right side
   196.92x = 35,733.46
5. Step 5: Solve for x
   x = 35,733.46/196.92
6. Step 6: Final answer
   x = 181.46