Finding the Fourth Proportional to 196.37, 271.10 and 131.22

Step by Step Solution

1. Step 1: Write the proportion equation
   196.37 : 271.10 = 131.22 : x
2. Step 2: Convert to fraction form
   196.37/271.10 = 131.22/x
3. Step 3: Cross multiply
   196.37x = 271.10 × 131.22
4. Step 4: Simplify right side
   196.37x = 35,573.33
5. Step 5: Solve for x
   x = 35,573.33/196.37
6. Step 6: Final answer
   x = 181.15