Finding the Fourth Proportional to 131.00, 196.56 and 111.96

Step by Step Solution

1. Step 1: Write the proportion equation
   131.00 : 196.56 = 111.96 : x
2. Step 2: Convert to fraction form
   131.00/196.56 = 111.96/x
3. Step 3: Cross multiply
   131.00x = 196.56 × 111.96
4. Step 4: Simplify right side
   131.00x = 22,006.86
5. Step 5: Solve for x
   x = 22,006.86/131.00
6. Step 6: Final answer
   x = 168.00