Finding the Fourth Proportional to 131.82, 197.82 and 50.64

Step by Step Solution

1. Step 1: Write the proportion equation
   131.82 : 197.82 = 50.64 : x
2. Step 2: Convert to fraction form
   131.82/197.82 = 50.64/x
3. Step 3: Cross multiply
   131.82x = 197.82 × 50.64
4. Step 4: Simplify right side
   131.82x = 10,017.60
5. Step 5: Solve for x
   x = 10,017.60/131.82
6. Step 6: Final answer
   x = 75.99