Finding the Fourth Proportional to 42.76, 64.08 and 37.48

Step by Step Solution

1. Step 1: Write the proportion equation
   42.76 : 64.08 = 37.48 : x
2. Step 2: Convert to fraction form
   42.76/64.08 = 37.48/x
3. Step 3: Cross multiply
   42.76x = 64.08 × 37.48
4. Step 4: Simplify right side
   42.76x = 2,401.72
5. Step 5: Solve for x
   x = 2,401.72/42.76
6. Step 6: Final answer
   x = 56.17