Finding the Fourth Proportional to 42.48, 58.52 and 35.56

Step by Step Solution

1. Step 1: Write the proportion equation
   42.48 : 58.52 = 35.56 : x
2. Step 2: Convert to fraction form
   42.48/58.52 = 35.56/x
3. Step 3: Cross multiply
   42.48x = 58.52 × 35.56
4. Step 4: Simplify right side
   42.48x = 2,080.97
5. Step 5: Solve for x
   x = 2,080.97/42.48
6. Step 6: Final answer
   x = 48.99