Finding the Fourth Proportional to 42.48, 58.55 and 33.27

Step by Step Solution

1. Step 1: Write the proportion equation
   42.48 : 58.55 = 33.27 : x
2. Step 2: Convert to fraction form
   42.48/58.55 = 33.27/x
3. Step 3: Cross multiply
   42.48x = 58.55 × 33.27
4. Step 4: Simplify right side
   42.48x = 1,947.96
5. Step 5: Solve for x
   x = 1,947.96/42.48
6. Step 6: Final answer
   x = 45.86