Finding the Fourth Proportional to 89.12, 133.76 and 37.84

Step by Step Solution

1. Step 1: Write the proportion equation
   89.12 : 133.76 = 37.84 : x
2. Step 2: Convert to fraction form
   89.12/133.76 = 37.84/x
3. Step 3: Cross multiply
   89.12x = 133.76 × 37.84
4. Step 4: Simplify right side
   89.12x = 5,061.48
5. Step 5: Solve for x
   x = 5,061.48/89.12
6. Step 6: Final answer
   x = 56.79