Finding the Fourth Proportional to 16,723.62, 23,079.72 and 9,553.91

Step by Step Solution

1. Step 1: Write the proportion equation
   16,723.62 : 23,079.72 = 9,553.91 : x
2. Step 2: Convert to fraction form
   16,723.62/23,079.72 = 9,553.91/x
3. Step 3: Cross multiply
   16,723.62x = 23,079.72 × 9,553.91
4. Step 4: Simplify right side
   16,723.62x = 220,501,452.31
5. Step 5: Solve for x
   x = 220,501,452.31/16,723.62
6. Step 6: Final answer
   x = 13,185.03