Finding the Fourth Proportional to 32.96, 45.42 and 28.82

Step by Step Solution

1. Step 1: Write the proportion equation
   32.96 : 45.42 = 28.82 : x
2. Step 2: Convert to fraction form
   32.96/45.42 = 28.82/x
3. Step 3: Cross multiply
   32.96x = 45.42 × 28.82
4. Step 4: Simplify right side
   32.96x = 1,309.00
5. Step 5: Solve for x
   x = 1,309.00/32.96
6. Step 6: Final answer
   x = 39.71