Finding the Fourth Proportional to 42.35, 58.39 and 42.08

Step by Step Solution

1. Step 1: Write the proportion equation
   42.35 : 58.39 = 42.08 : x
2. Step 2: Convert to fraction form
   42.35/58.39 = 42.08/x
3. Step 3: Cross multiply
   42.35x = 58.39 × 42.08
4. Step 4: Simplify right side
   42.35x = 2,456.65
5. Step 5: Solve for x
   x = 2,456.65/42.35
6. Step 6: Final answer
   x = 58.02