Finding the Fourth Proportional to 131.33, 196.12 and 116.62

Step by Step Solution

1. Step 1: Write the proportion equation
   131.33 : 196.12 = 116.62 : x
2. Step 2: Convert to fraction form
   131.33/196.12 = 116.62/x
3. Step 3: Cross multiply
   131.33x = 196.12 × 116.62
4. Step 4: Simplify right side
   131.33x = 22,871.51
5. Step 5: Solve for x
   x = 22,871.51/131.33
6. Step 6: Final answer
   x = 174.15