Finding the Fourth Proportional to 16,707.30, 25,053.10 and 9,689.31

Step by Step Solution

1. Step 1: Write the proportion equation
   16,707.30 : 25,053.10 = 9,689.31 : x
2. Step 2: Convert to fraction form
   16,707.30/25,053.10 = 9,689.31/x
3. Step 3: Cross multiply
   16,707.30x = 25,053.10 × 9,689.31
4. Step 4: Simplify right side
   16,707.30x = 242,747,264.47
5. Step 5: Solve for x
   x = 242,747,264.47/16,707.30
6. Step 6: Final answer
   x = 14,529.41