Finding the Fourth Proportional to 42.27, 58.31 and 35.33

Step by Step Solution

1. Step 1: Write the proportion equation
   42.27 : 58.31 = 35.33 : x
2. Step 2: Convert to fraction form
   42.27/58.31 = 35.33/x
3. Step 3: Cross multiply
   42.27x = 58.31 × 35.33
4. Step 4: Simplify right side
   42.27x = 2,060.33
5. Step 5: Solve for x
   x = 2,060.33/42.27
6. Step 6: Final answer
   x = 48.74