Finding the Fourth Proportional to 141.83, 212.74 and 50.50

Step by Step Solution

1. Step 1: Write the proportion equation
   141.83 : 212.74 = 50.50 : x
2. Step 2: Convert to fraction form
   141.83/212.74 = 50.50/x
3. Step 3: Cross multiply
   141.83x = 212.74 × 50.50
4. Step 4: Simplify right side
   141.83x = 10,743.37
5. Step 5: Solve for x
   x = 10,743.37/141.83
6. Step 6: Final answer
   x = 75.75