Finding the Fourth Proportional to 11,626.38, 17,439.42 and 2,861.37

Step by Step Solution

1. Step 1: Write the proportion equation
   11,626.38 : 17,439.42 = 2,861.37 : x
2. Step 2: Convert to fraction form
   11,626.38/17,439.42 = 2,861.37/x
3. Step 3: Cross multiply
   11,626.38x = 17,439.42 × 2,861.37
4. Step 4: Simplify right side
   11,626.38x = 49,900,633.21
5. Step 5: Solve for x
   x = 49,900,633.21/11,626.38
6. Step 6: Final answer
   x = 4,292.02