Finding the Fourth Proportional to 16,821.45, 23,216.33 and 9,751.96

Step by Step Solution

1. Step 1: Write the proportion equation
   16,821.45 : 23,216.33 = 9,751.96 : x
2. Step 2: Convert to fraction form
   16,821.45/23,216.33 = 9,751.96/x
3. Step 3: Cross multiply
   16,821.45x = 23,216.33 × 9,751.96
4. Step 4: Simplify right side
   16,821.45x = 226,404,721.51
5. Step 5: Solve for x
   x = 226,404,721.51/16,821.45
6. Step 6: Final answer
   x = 13,459.29