Finding the Fourth Proportional to 4,892.72, 6,753.24 and 3,031.28

Step by Step Solution

1. Step 1: Write the proportion equation
   4,892.72 : 6,753.24 = 3,031.28 : x
2. Step 2: Convert to fraction form
   4,892.72/6,753.24 = 3,031.28/x
3. Step 3: Cross multiply
   4,892.72x = 6,753.24 × 3,031.28
4. Step 4: Simplify right side
   4,892.72x = 20,470,961.35
5. Step 5: Solve for x
   x = 20,470,961.35/4,892.72
6. Step 6: Final answer
   x = 4,183.96