Finding the Fourth Proportional to 131.37, 196.77 and 111.48

Step by Step Solution

1. Step 1: Write the proportion equation
   131.37 : 196.77 = 111.48 : x
2. Step 2: Convert to fraction form
   131.37/196.77 = 111.48/x
3. Step 3: Cross multiply
   131.37x = 196.77 × 111.48
4. Step 4: Simplify right side
   131.37x = 21,935.92
5. Step 5: Solve for x
   x = 21,935.92/131.37
6. Step 6: Final answer
   x = 166.98