Finding the Fourth Proportional to 42.24, 63.30 and 32.09

Step by Step Solution

1. Step 1: Write the proportion equation
   42.24 : 63.30 = 32.09 : x
2. Step 2: Convert to fraction form
   42.24/63.30 = 32.09/x
3. Step 3: Cross multiply
   42.24x = 63.30 × 32.09
4. Step 4: Simplify right side
   42.24x = 2,031.30
5. Step 5: Solve for x
   x = 2,031.30/42.24
6. Step 6: Final answer
   x = 48.09