Finding the Fourth Proportional to 50.37, 69.22 and 42.17

Step by Step Solution

1. Step 1: Write the proportion equation
   50.37 : 69.22 = 42.17 : x
2. Step 2: Convert to fraction form
   50.37/69.22 = 42.17/x
3. Step 3: Cross multiply
   50.37x = 69.22 × 42.17
4. Step 4: Simplify right side
   50.37x = 2,918.56
5. Step 5: Solve for x
   x = 2,918.56/50.37
6. Step 6: Final answer
   x = 57.94