Finding the Fourth Proportional to 89.56, 134.24 and 43.81

Step by Step Solution

1. Step 1: Write the proportion equation
   89.56 : 134.24 = 43.81 : x
2. Step 2: Convert to fraction form
   89.56/134.24 = 43.81/x
3. Step 3: Cross multiply
   89.56x = 134.24 × 43.81
4. Step 4: Simplify right side
   89.56x = 5,881.50
5. Step 5: Solve for x
   x = 5,881.50/89.56
6. Step 6: Final answer
   x = 65.67