Finding the Fourth Proportional to 3,993.07, 5,510.28 and 2,224.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,993.07 : 5,510.28 = 2,224.72 : x
2. Step 2: Convert to fraction form
   3,993.07/5,510.28 = 2,224.72/x
3. Step 3: Cross multiply
   3,993.07x = 5,510.28 × 2,224.72
4. Step 4: Simplify right side
   3,993.07x = 12,258,830.12
5. Step 5: Solve for x
   x = 12,258,830.12/3,993.07
6. Step 6: Final answer
   x = 3,070.03