Finding the Fourth Proportional to 131.29, 196.59 and 118.53

Step by Step Solution

1. Step 1: Write the proportion equation
   131.29 : 196.59 = 118.53 : x
2. Step 2: Convert to fraction form
   131.29/196.59 = 118.53/x
3. Step 3: Cross multiply
   131.29x = 196.59 × 118.53
4. Step 4: Simplify right side
   131.29x = 23,301.81
5. Step 5: Solve for x
   x = 23,301.81/131.29
6. Step 6: Final answer
   x = 177.49