Finding the Fourth Proportional to 2,224.84, 3,069.30 and 1,280.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,224.84 : 3,069.30 = 1,280.42 : x
2. Step 2: Convert to fraction form
   2,224.84/3,069.30 = 1,280.42/x
3. Step 3: Cross multiply
   2,224.84x = 3,069.30 × 1,280.42
4. Step 4: Simplify right side
   2,224.84x = 3,929,993.11
5. Step 5: Solve for x
   x = 3,929,993.11/2,224.84
6. Step 6: Final answer
   x = 1,766.42