Finding the Fourth Proportional to 131.30, 196.96 and 116.82

Step by Step Solution

1. Step 1: Write the proportion equation
   131.30 : 196.96 = 116.82 : x
2. Step 2: Convert to fraction form
   131.30/196.96 = 116.82/x
3. Step 3: Cross multiply
   131.30x = 196.96 × 116.82
4. Step 4: Simplify right side
   131.30x = 23,008.87
5. Step 5: Solve for x
   x = 23,008.87/131.30
6. Step 6: Final answer
   x = 175.24