Finding the Fourth Proportional to 131.98, 196.89 and 110.45

Step by Step Solution

1. Step 1: Write the proportion equation
   131.98 : 196.89 = 110.45 : x
2. Step 2: Convert to fraction form
   131.98/196.89 = 110.45/x
3. Step 3: Cross multiply
   131.98x = 196.89 × 110.45
4. Step 4: Simplify right side
   131.98x = 21,745.78
5. Step 5: Solve for x
   x = 21,745.78/131.98
6. Step 6: Final answer
   x = 164.77