Finding the Fourth Proportional to 42.27, 63.24 and 37.47

Step by Step Solution

1. Step 1: Write the proportion equation
   42.27 : 63.24 = 37.47 : x
2. Step 2: Convert to fraction form
   42.27/63.24 = 37.47/x
3. Step 3: Cross multiply
   42.27x = 63.24 × 37.47
4. Step 4: Simplify right side
   42.27x = 2,369.60
5. Step 5: Solve for x
   x = 2,369.60/42.27
6. Step 6: Final answer
   x = 56.06