Finding the Fourth Proportional to 4,831.96, 6,665.46 and 3,151.24

Step by Step Solution

1. Step 1: Write the proportion equation
   4,831.96 : 6,665.46 = 3,151.24 : x
2. Step 2: Convert to fraction form
   4,831.96/6,665.46 = 3,151.24/x
3. Step 3: Cross multiply
   4,831.96x = 6,665.46 × 3,151.24
4. Step 4: Simplify right side
   4,831.96x = 21,004,464.17
5. Step 5: Solve for x
   x = 21,004,464.17/4,831.96
6. Step 6: Final answer
   x = 4,346.99