Finding the Fourth Proportional to 11,624.38, 17,436.42 and 2,859.37

Step by Step Solution

1. Step 1: Write the proportion equation
   11,624.38 : 17,436.42 = 2,859.37 : x
2. Step 2: Convert to fraction form
   11,624.38/17,436.42 = 2,859.37/x
3. Step 3: Cross multiply
   11,624.38x = 17,436.42 × 2,859.37
4. Step 4: Simplify right side
   11,624.38x = 49,857,176.26
5. Step 5: Solve for x
   x = 49,857,176.26/11,624.38
6. Step 6: Final answer
   x = 4,289.02