Finding the Fourth Proportional to 16,827.82, 23,218.64 and 9,657.29

Step by Step Solution

1. Step 1: Write the proportion equation
   16,827.82 : 23,218.64 = 9,657.29 : x
2. Step 2: Convert to fraction form
   16,827.82/23,218.64 = 9,657.29/x
3. Step 3: Cross multiply
   16,827.82x = 23,218.64 × 9,657.29
4. Step 4: Simplify right side
   16,827.82x = 224,229,139.89
5. Step 5: Solve for x
   x = 224,229,139.89/16,827.82
6. Step 6: Final answer
   x = 13,324.91