Finding the Fourth Proportional to 3,951.86, 5,453.46 and 2,183.46

Step by Step Solution

1. Step 1: Write the proportion equation
   3,951.86 : 5,453.46 = 2,183.46 : x
2. Step 2: Convert to fraction form
   3,951.86/5,453.46 = 2,183.46/x
3. Step 3: Cross multiply
   3,951.86x = 5,453.46 × 2,183.46
4. Step 4: Simplify right side
   3,951.86x = 11,907,411.77
5. Step 5: Solve for x
   x = 11,907,411.77/3,951.86
6. Step 6: Final answer
   x = 3,013.12