Finding the Fourth Proportional to 16,538.98, 22,823.69 and 8,985.25

Step by Step Solution

1. Step 1: Write the proportion equation
   16,538.98 : 22,823.69 = 8,985.25 : x
2. Step 2: Convert to fraction form
   16,538.98/22,823.69 = 8,985.25/x
3. Step 3: Cross multiply
   16,538.98x = 22,823.69 × 8,985.25
4. Step 4: Simplify right side
   16,538.98x = 205,076,560.57
5. Step 5: Solve for x
   x = 205,076,560.57/16,538.98
6. Step 6: Final answer
   x = 12,399.59