Finding the Fourth Proportional to 89.28, 133.98 and 37.96

Step by Step Solution

1. Step 1: Write the proportion equation
   89.28 : 133.98 = 37.96 : x
2. Step 2: Convert to fraction form
   89.28/133.98 = 37.96/x
3. Step 3: Cross multiply
   89.28x = 133.98 × 37.96
4. Step 4: Simplify right side
   89.28x = 5,085.88
5. Step 5: Solve for x
   x = 5,085.88/89.28
6. Step 6: Final answer
   x = 56.97