Finding the Fourth Proportional to 17,807.71, 24,687.02 and 16,859.71

Step by Step Solution

1. Step 1: Write the proportion equation
   17,807.71 : 24,687.02 = 16,859.71 : x
2. Step 2: Convert to fraction form
   17,807.71/24,687.02 = 16,859.71/x
3. Step 3: Cross multiply
   17,807.71x = 24,687.02 × 16,859.71
4. Step 4: Simplify right side
   17,807.71x = 416,215,977.83
5. Step 5: Solve for x
   x = 416,215,977.83/17,807.71
6. Step 6: Final answer
   x = 23,372.79