Finding the Fourth Proportional to 42.28, 58.42 and 35.27

Step by Step Solution

1. Step 1: Write the proportion equation
   42.28 : 58.42 = 35.27 : x
2. Step 2: Convert to fraction form
   42.28/58.42 = 35.27/x
3. Step 3: Cross multiply
   42.28x = 58.42 × 35.27
4. Step 4: Simplify right side
   42.28x = 2,060.18
5. Step 5: Solve for x
   x = 2,060.18/42.28
6. Step 6: Final answer
   x = 48.73