Finding the Fourth Proportional to 4,123.50, 5,690.43 and 2,260.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,123.50 : 5,690.43 = 2,260.50 : x
2. Step 2: Convert to fraction form
   4,123.50/5,690.43 = 2,260.50/x
3. Step 3: Cross multiply
   4,123.50x = 5,690.43 × 2,260.50
4. Step 4: Simplify right side
   4,123.50x = 12,863,217.02
5. Step 5: Solve for x
   x = 12,863,217.02/4,123.50
6. Step 6: Final answer
   x = 3,119.49