Finding the Fourth Proportional to 131.47, 196.82 and 88.03

Step by Step Solution

1. Step 1: Write the proportion equation
   131.47 : 196.82 = 88.03 : x
2. Step 2: Convert to fraction form
   131.47/196.82 = 88.03/x
3. Step 3: Cross multiply
   131.47x = 196.82 × 88.03
4. Step 4: Simplify right side
   131.47x = 17,326.06
5. Step 5: Solve for x
   x = 17,326.06/131.47
6. Step 6: Final answer
   x = 131.79