Finding the Fourth Proportional to 41,046.72, 56,648.16 and 28,466.88

Step by Step Solution

1. Step 1: Write the proportion equation
   41,046.72 : 56,648.16 = 28,466.88 : x
2. Step 2: Convert to fraction form
   41,046.72/56,648.16 = 28,466.88/x
3. Step 3: Cross multiply
   41,046.72x = 56,648.16 × 28,466.88
4. Step 4: Simplify right side
   41,046.72x = 1,612,596,372.94
5. Step 5: Solve for x
   x = 1,612,596,372.94/41,046.72
6. Step 6: Final answer
   x = 39,286.85