Finding the Fourth Proportional to 131.31, 196.76 and 114.17

Step by Step Solution

1. Step 1: Write the proportion equation
   131.31 : 196.76 = 114.17 : x
2. Step 2: Convert to fraction form
   131.31/196.76 = 114.17/x
3. Step 3: Cross multiply
   131.31x = 196.76 × 114.17
4. Step 4: Simplify right side
   131.31x = 22,463.39
5. Step 5: Solve for x
   x = 22,463.39/131.31
6. Step 6: Final answer
   x = 171.07