Finding the Fourth Proportional to 131.50, 197.34 and 50.34

Step by Step Solution

1. Step 1: Write the proportion equation
   131.50 : 197.34 = 50.34 : x
2. Step 2: Convert to fraction form
   131.50/197.34 = 50.34/x
3. Step 3: Cross multiply
   131.50x = 197.34 × 50.34
4. Step 4: Simplify right side
   131.50x = 9,933.73
5. Step 5: Solve for x
   x = 9,933.73/131.50
6. Step 6: Final answer
   x = 75.54