Finding the Fourth Proportional to 42.36, 63.18 and 37.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42.36 : 63.18 = 37.50 : x
2. Step 2: Convert to fraction form
   42.36/63.18 = 37.50/x
3. Step 3: Cross multiply
   42.36x = 63.18 × 37.50
4. Step 4: Simplify right side
   42.36x = 2,369.25
5. Step 5: Solve for x
   x = 2,369.25/42.36
6. Step 6: Final answer
   x = 55.93