Finding the Fourth Proportional to 16,995.72, 23,456.88 and 9,825.87

Step by Step Solution

1. Step 1: Write the proportion equation
   16,995.72 : 23,456.88 = 9,825.87 : x
2. Step 2: Convert to fraction form
   16,995.72/23,456.88 = 9,825.87/x
3. Step 3: Cross multiply
   16,995.72x = 23,456.88 × 9,825.87
4. Step 4: Simplify right side
   16,995.72x = 230,484,253.49
5. Step 5: Solve for x
   x = 230,484,253.49/16,995.72
6. Step 6: Final answer
   x = 13,561.31