Finding the Fourth Proportional to 16,801.79, 23,185.28 and 9,995.45

Step by Step Solution

1. Step 1: Write the proportion equation
   16,801.79 : 23,185.28 = 9,995.45 : x
2. Step 2: Convert to fraction form
   16,801.79/23,185.28 = 9,995.45/x
3. Step 3: Cross multiply
   16,801.79x = 23,185.28 × 9,995.45
4. Step 4: Simplify right side
   16,801.79x = 231,747,141.07
5. Step 5: Solve for x
   x = 231,747,141.07/16,801.79
6. Step 6: Final answer
   x = 13,793.01