Finding the Fourth Proportional to 17,964.29, 24,790.72 and 10,415

Step by Step Solution

1. Step 1: Write the proportion equation
   17,964.29 : 24,790.72 = 10,415 : x
2. Step 2: Convert to fraction form
   17,964.29/24,790.72 = 10,415/x
3. Step 3: Cross multiply
   17,964.29x = 24,790.72 × 10,415
4. Step 4: Simplify right side
   17,964.29x = 258,195,348.80
5. Step 5: Solve for x
   x = 258,195,348.80/17,964.29
6. Step 6: Final answer
   x = 14,372.70