Finding the Fourth Proportional to 3,423.89, 4,722.45 and 2,584.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,423.89 : 4,722.45 = 2,584.62 : x
2. Step 2: Convert to fraction form
   3,423.89/4,722.45 = 2,584.62/x
3. Step 3: Cross multiply
   3,423.89x = 4,722.45 × 2,584.62
4. Step 4: Simplify right side
   3,423.89x = 12,205,738.72
5. Step 5: Solve for x
   x = 12,205,738.72/3,423.89
6. Step 6: Final answer
   x = 3,564.88