Finding the Fourth Proportional to 131.29, 196.71 and 97.06

Step by Step Solution

1. Step 1: Write the proportion equation
   131.29 : 196.71 = 97.06 : x
2. Step 2: Convert to fraction form
   131.29/196.71 = 97.06/x
3. Step 3: Cross multiply
   131.29x = 196.71 × 97.06
4. Step 4: Simplify right side
   131.29x = 19,092.67
5. Step 5: Solve for x
   x = 19,092.67/131.29
6. Step 6: Final answer
   x = 145.42