Finding the Fourth Proportional to 2,224.24, 3,069.59 and 1,280.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,224.24 : 3,069.59 = 1,280.15 : x
2. Step 2: Convert to fraction form
   2,224.24/3,069.59 = 1,280.15/x
3. Step 3: Cross multiply
   2,224.24x = 3,069.59 × 1,280.15
4. Step 4: Simplify right side
   2,224.24x = 3,929,523.49
5. Step 5: Solve for x
   x = 3,929,523.49/2,224.24
6. Step 6: Final answer
   x = 1,766.68