Finding the Fourth Proportional to 42.78, 59.10 and 37.62

Step by Step Solution

1. Step 1: Write the proportion equation
   42.78 : 59.10 = 37.62 : x
2. Step 2: Convert to fraction form
   42.78/59.10 = 37.62/x
3. Step 3: Cross multiply
   42.78x = 59.10 × 37.62
4. Step 4: Simplify right side
   42.78x = 2,223.20
5. Step 5: Solve for x
   x = 2,223.20/42.78
6. Step 6: Final answer
   x = 51.96