Finding the Fourth Proportional to 2,223.46, 3,068.57 and 1,292.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,223.46 : 3,068.57 = 1,292.26 : x
2. Step 2: Convert to fraction form
   2,223.46/3,068.57 = 1,292.26/x
3. Step 3: Cross multiply
   2,223.46x = 3,068.57 × 1,292.26
4. Step 4: Simplify right side
   2,223.46x = 3,965,390.27
5. Step 5: Solve for x
   x = 3,965,390.27/2,223.46
6. Step 6: Final answer
   x = 1,783.43