Finding the Fourth Proportional to 42.48, 63.27 and 42.03

Step by Step Solution

1. Step 1: Write the proportion equation
   42.48 : 63.27 = 42.03 : x
2. Step 2: Convert to fraction form
   42.48/63.27 = 42.03/x
3. Step 3: Cross multiply
   42.48x = 63.27 × 42.03
4. Step 4: Simplify right side
   42.48x = 2,659.24
5. Step 5: Solve for x
   x = 2,659.24/42.48
6. Step 6: Final answer
   x = 62.60