Finding the Fourth Proportional to 131.83, 197.71 and 50.63

Step by Step Solution

1. Step 1: Write the proportion equation
   131.83 : 197.71 = 50.63 : x
2. Step 2: Convert to fraction form
   131.83/197.71 = 50.63/x
3. Step 3: Cross multiply
   131.83x = 197.71 × 50.63
4. Step 4: Simplify right side
   131.83x = 10,008.94
5. Step 5: Solve for x
   x = 10,008.94/131.83
6. Step 6: Final answer
   x = 75.92