Finding the Fourth Proportional to 2,292.78, 3,443.77 and 2,228.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,292.78 : 3,443.77 = 2,228.18 : x
2. Step 2: Convert to fraction form
   2,292.78/3,443.77 = 2,228.18/x
3. Step 3: Cross multiply
   2,292.78x = 3,443.77 × 2,228.18
4. Step 4: Simplify right side
   2,292.78x = 7,673,333.87
5. Step 5: Solve for x
   x = 7,673,333.87/2,292.78
6. Step 6: Final answer
   x = 3,346.74