Finding the Fourth Proportional to 89.16, 133.72 and 37.76

Step by Step Solution

1. Step 1: Write the proportion equation
   89.16 : 133.72 = 37.76 : x
2. Step 2: Convert to fraction form
   89.16/133.72 = 37.76/x
3. Step 3: Cross multiply
   89.16x = 133.72 × 37.76
4. Step 4: Simplify right side
   89.16x = 5,049.27
5. Step 5: Solve for x
   x = 5,049.27/89.16
6. Step 6: Final answer
   x = 56.63