Finding the Fourth Proportional to 6,408.27, 9,612.72 and 3,124.17

Step by Step Solution

1. Step 1: Write the proportion equation
   6,408.27 : 9,612.72 = 3,124.17 : x
2. Step 2: Convert to fraction form
   6,408.27/9,612.72 = 3,124.17/x
3. Step 3: Cross multiply
   6,408.27x = 9,612.72 × 3,124.17
4. Step 4: Simplify right side
   6,408.27x = 30,031,771.44
5. Step 5: Solve for x
   x = 30,031,771.44/6,408.27
6. Step 6: Final answer
   x = 4,686.41