Finding the Fourth Proportional to 16,538.88, 22,823.81 and 8,985.27

Step by Step Solution

1. Step 1: Write the proportion equation
   16,538.88 : 22,823.81 = 8,985.27 : x
2. Step 2: Convert to fraction form
   16,538.88/22,823.81 = 8,985.27/x
3. Step 3: Cross multiply
   16,538.88x = 22,823.81 × 8,985.27
4. Step 4: Simplify right side
   16,538.88x = 205,078,095.28
5. Step 5: Solve for x
   x = 205,078,095.28/16,538.88
6. Step 6: Final answer
   x = 12,399.76