Finding the Fourth Proportional to 131.61, 196.15 and 131.41

Step by Step Solution

1. Step 1: Write the proportion equation
   131.61 : 196.15 = 131.41 : x
2. Step 2: Convert to fraction form
   131.61/196.15 = 131.41/x
3. Step 3: Cross multiply
   131.61x = 196.15 × 131.41
4. Step 4: Simplify right side
   131.61x = 25,775.25
5. Step 5: Solve for x
   x = 25,775.25/131.61
6. Step 6: Final answer
   x = 195.85