Finding the Fourth Proportional to 50.57, 69.78 and 32.15

Step by Step Solution

1. Step 1: Write the proportion equation
   50.57 : 69.78 = 32.15 : x
2. Step 2: Convert to fraction form
   50.57/69.78 = 32.15/x
3. Step 3: Cross multiply
   50.57x = 69.78 × 32.15
4. Step 4: Simplify right side
   50.57x = 2,243.72
5. Step 5: Solve for x
   x = 2,243.72/50.57
6. Step 6: Final answer
   x = 44.37