Finding the Fourth Proportional to 2,280.42, 3,137.94 and 2,223.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,280.42 : 3,137.94 = 2,223.18 : x
2. Step 2: Convert to fraction form
   2,280.42/3,137.94 = 2,223.18/x
3. Step 3: Cross multiply
   2,280.42x = 3,137.94 × 2,223.18
4. Step 4: Simplify right side
   2,280.42x = 6,976,205.45
5. Step 5: Solve for x
   x = 6,976,205.45/2,280.42
6. Step 6: Final answer
   x = 3,059.18