Finding the Fourth Proportional to 42.50, 63.33 and 37.96

Step by Step Solution

1. Step 1: Write the proportion equation
   42.50 : 63.33 = 37.96 : x
2. Step 2: Convert to fraction form
   42.50/63.33 = 37.96/x
3. Step 3: Cross multiply
   42.50x = 63.33 × 37.96
4. Step 4: Simplify right side
   42.50x = 2,404.01
5. Step 5: Solve for x
   x = 2,404.01/42.50
6. Step 6: Final answer
   x = 56.56