Finding the Fourth Proportional to 89.08, 133.48 and 43.37

Step by Step Solution

1. Step 1: Write the proportion equation
   89.08 : 133.48 = 43.37 : x
2. Step 2: Convert to fraction form
   89.08/133.48 = 43.37/x
3. Step 3: Cross multiply
   89.08x = 133.48 × 43.37
4. Step 4: Simplify right side
   89.08x = 5,789.47
5. Step 5: Solve for x
   x = 5,789.47/89.08
6. Step 6: Final answer
   x = 64.99