Finding the Fourth Proportional to 3,993.19, 5,510.59 and 2,224.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,993.19 : 5,510.59 = 2,224.78 : x
2. Step 2: Convert to fraction form
   3,993.19/5,510.59 = 2,224.78/x
3. Step 3: Cross multiply
   3,993.19x = 5,510.59 × 2,224.78
4. Step 4: Simplify right side
   3,993.19x = 12,259,850.42
5. Step 5: Solve for x
   x = 12,259,850.42/3,993.19
6. Step 6: Final answer
   x = 3,070.19