Finding the Fourth Proportional to 89.05, 133.56 and 43.37

Step by Step Solution

1. Step 1: Write the proportion equation
   89.05 : 133.56 = 43.37 : x
2. Step 2: Convert to fraction form
   89.05/133.56 = 43.37/x
3. Step 3: Cross multiply
   89.05x = 133.56 × 43.37
4. Step 4: Simplify right side
   89.05x = 5,791.83
5. Step 5: Solve for x
   x = 5,791.83/89.05
6. Step 6: Final answer
   x = 65.04