Finding the Fourth Proportional to 3,993.18, 5,510.34 and 2,224.80

Step by Step Solution

1. Step 1: Write the proportion equation
   3,993.18 : 5,510.34 = 2,224.80 : x
2. Step 2: Convert to fraction form
   3,993.18/5,510.34 = 2,224.80/x
3. Step 3: Cross multiply
   3,993.18x = 5,510.34 × 2,224.80
4. Step 4: Simplify right side
   3,993.18x = 12,259,404.43
5. Step 5: Solve for x
   x = 12,259,404.43/3,993.18
6. Step 6: Final answer
   x = 3,070.09