Finding the Fourth Proportional to 131.82, 197.72 and 35.63

Step by Step Solution

1. Step 1: Write the proportion equation
   131.82 : 197.72 = 35.63 : x
2. Step 2: Convert to fraction form
   131.82/197.72 = 35.63/x
3. Step 3: Cross multiply
   131.82x = 197.72 × 35.63
4. Step 4: Simplify right side
   131.82x = 7,043.60
5. Step 5: Solve for x
   x = 7,043.60/131.82
6. Step 6: Final answer
   x = 53.43