Finding the Fourth Proportional to 2,223.92, 3,336.42 and 1,443.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,223.92 : 3,336.42 = 1,443.89 : x
2. Step 2: Convert to fraction form
   2,223.92/3,336.42 = 1,443.89/x
3. Step 3: Cross multiply
   2,223.92x = 3,336.42 × 1,443.89
4. Step 4: Simplify right side
   2,223.92x = 4,817,423.47
5. Step 5: Solve for x
   x = 4,817,423.47/2,223.92
6. Step 6: Final answer
   x = 2,166.19