Finding the Fourth Proportional to 43.05, 64.59 and 32.88

Step by Step Solution

1. Step 1: Write the proportion equation
   43.05 : 64.59 = 32.88 : x
2. Step 2: Convert to fraction form
   43.05/64.59 = 32.88/x
3. Step 3: Cross multiply
   43.05x = 64.59 × 32.88
4. Step 4: Simplify right side
   43.05x = 2,123.72
5. Step 5: Solve for x
   x = 2,123.72/43.05
6. Step 6: Final answer
   x = 49.33