Finding the Fourth Proportional to 42.25, 58.18 and 37.63

Step by Step Solution

1. Step 1: Write the proportion equation
   42.25 : 58.18 = 37.63 : x
2. Step 2: Convert to fraction form
   42.25/58.18 = 37.63/x
3. Step 3: Cross multiply
   42.25x = 58.18 × 37.63
4. Step 4: Simplify right side
   42.25x = 2,189.31
5. Step 5: Solve for x
   x = 2,189.31/42.25
6. Step 6: Final answer
   x = 51.82