Finding the Fourth Proportional to 3,423.57, 4,722.54 and 2,306.06

Step by Step Solution

1. Step 1: Write the proportion equation
   3,423.57 : 4,722.54 = 2,306.06 : x
2. Step 2: Convert to fraction form
   3,423.57/4,722.54 = 2,306.06/x
3. Step 3: Cross multiply
   3,423.57x = 4,722.54 × 2,306.06
4. Step 4: Simplify right side
   3,423.57x = 10,890,436.98
5. Step 5: Solve for x
   x = 10,890,436.98/3,423.57
6. Step 6: Final answer
   x = 3,181.02