Finding the Fourth Proportional to 16,513.62, 24,728.13 and 9,109.83

Step by Step Solution

1. Step 1: Write the proportion equation
   16,513.62 : 24,728.13 = 9,109.83 : x
2. Step 2: Convert to fraction form
   16,513.62/24,728.13 = 9,109.83/x
3. Step 3: Cross multiply
   16,513.62x = 24,728.13 × 9,109.83
4. Step 4: Simplify right side
   16,513.62x = 225,269,060.52
5. Step 5: Solve for x
   x = 225,269,060.52/16,513.62
6. Step 6: Final answer
   x = 13,641.41