Finding the Fourth Proportional to 131.56, 196.37 and 114.58

Step by Step Solution

1. Step 1: Write the proportion equation
   131.56 : 196.37 = 114.58 : x
2. Step 2: Convert to fraction form
   131.56/196.37 = 114.58/x
3. Step 3: Cross multiply
   131.56x = 196.37 × 114.58
4. Step 4: Simplify right side
   131.56x = 22,500.07
5. Step 5: Solve for x
   x = 22,500.07/131.56
6. Step 6: Final answer
   x = 171.03