Finding the Fourth Proportional to 3,993.12, 5,510.46 and 2,224.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,993.12 : 5,510.46 = 2,224.86 : x
2. Step 2: Convert to fraction form
   3,993.12/5,510.46 = 2,224.86/x
3. Step 3: Cross multiply
   3,993.12x = 5,510.46 × 2,224.86
4. Step 4: Simplify right side
   3,993.12x = 12,260,002.04
5. Step 5: Solve for x
   x = 12,260,002.04/3,993.12
6. Step 6: Final answer
   x = 3,070.28