Finding the Fourth Proportional to 4,078.50, 5,626.99 and 2,285.72

Step by Step Solution

1. Step 1: Write the proportion equation
   4,078.50 : 5,626.99 = 2,285.72 : x
2. Step 2: Convert to fraction form
   4,078.50/5,626.99 = 2,285.72/x
3. Step 3: Cross multiply
   4,078.50x = 5,626.99 × 2,285.72
4. Step 4: Simplify right side
   4,078.50x = 12,861,725.83
5. Step 5: Solve for x
   x = 12,861,725.83/4,078.50
6. Step 6: Final answer
   x = 3,153.54