Finding the Fourth Proportional to 196.98, 271.71 and 131.46

Step by Step Solution

1. Step 1: Write the proportion equation
   196.98 : 271.71 = 131.46 : x
2. Step 2: Convert to fraction form
   196.98/271.71 = 131.46/x
3. Step 3: Cross multiply
   196.98x = 271.71 × 131.46
4. Step 4: Simplify right side
   196.98x = 35,719.00
5. Step 5: Solve for x
   x = 35,719.00/196.98
6. Step 6: Final answer
   x = 181.33