Finding the Fourth Proportional to 11,624.32, 17,436.33 and 2,859.31

Step by Step Solution

1. Step 1: Write the proportion equation
   11,624.32 : 17,436.33 = 2,859.31 : x
2. Step 2: Convert to fraction form
   11,624.32/17,436.33 = 2,859.31/x
3. Step 3: Cross multiply
   11,624.32x = 17,436.33 × 2,859.31
4. Step 4: Simplify right side
   11,624.32x = 49,855,872.73
5. Step 5: Solve for x
   x = 49,855,872.73/11,624.32
6. Step 6: Final answer
   x = 4,288.93