Finding the Fourth Proportional to 17,857.72, 24,626.56 and 10,686.41

Step by Step Solution

1. Step 1: Write the proportion equation
   17,857.72 : 24,626.56 = 10,686.41 : x
2. Step 2: Convert to fraction form
   17,857.72/24,626.56 = 10,686.41/x
3. Step 3: Cross multiply
   17,857.72x = 24,626.56 × 10,686.41
4. Step 4: Simplify right side
   17,857.72x = 263,169,517.05
5. Step 5: Solve for x
   x = 263,169,517.05/17,857.72
6. Step 6: Final answer
   x = 14,737.02