Finding the Fourth Proportional to 50.50, 69.57 and 42.34

Step by Step Solution

1. Step 1: Write the proportion equation
   50.50 : 69.57 = 42.34 : x
2. Step 2: Convert to fraction form
   50.50/69.57 = 42.34/x
3. Step 3: Cross multiply
   50.50x = 69.57 × 42.34
4. Step 4: Simplify right side
   50.50x = 2,945.59
5. Step 5: Solve for x
   x = 2,945.59/50.50
6. Step 6: Final answer
   x = 58.33