Finding the Fourth Proportional to 16,456.82, 22,710.51 and 9,383.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,456.82 : 22,710.51 = 9,383.18 : x
2. Step 2: Convert to fraction form
   16,456.82/22,710.51 = 9,383.18/x
3. Step 3: Cross multiply
   16,456.82x = 22,710.51 × 9,383.18
4. Step 4: Simplify right side
   16,456.82x = 213,096,803.22
5. Step 5: Solve for x
   x = 213,096,803.22/16,456.82
6. Step 6: Final answer
   x = 12,948.84