Finding the Fourth Proportional to 42.47, 58.52 and 34.25

Step by Step Solution

1. Step 1: Write the proportion equation
   42.47 : 58.52 = 34.25 : x
2. Step 2: Convert to fraction form
   42.47/58.52 = 34.25/x
3. Step 3: Cross multiply
   42.47x = 58.52 × 34.25
4. Step 4: Simplify right side
   42.47x = 2,003.85
5. Step 5: Solve for x
   x = 2,003.85/42.47
6. Step 6: Final answer
   x = 47.19