Finding the Fourth Proportional to 16,895.39, 23,315.49 and 9,726.71

Step by Step Solution

1. Step 1: Write the proportion equation
   16,895.39 : 23,315.49 = 9,726.71 : x
2. Step 2: Convert to fraction form
   16,895.39/23,315.49 = 9,726.71/x
3. Step 3: Cross multiply
   16,895.39x = 23,315.49 × 9,726.71
4. Step 4: Simplify right side
   16,895.39x = 226,782,893.16
5. Step 5: Solve for x
   x = 226,782,893.16/16,895.39
6. Step 6: Final answer
   x = 13,422.77