Finding the Fourth Proportional to 42.37, 63.57 and 32.15

Step by Step Solution

1. Step 1: Write the proportion equation
   42.37 : 63.57 = 32.15 : x
2. Step 2: Convert to fraction form
   42.37/63.57 = 32.15/x
3. Step 3: Cross multiply
   42.37x = 63.57 × 32.15
4. Step 4: Simplify right side
   42.37x = 2,043.78
5. Step 5: Solve for x
   x = 2,043.78/42.37
6. Step 6: Final answer
   x = 48.24