Finding the Fourth Proportional to 16,697.78, 23,037.72 and 9,623.24

Step by Step Solution

1. Step 1: Write the proportion equation
   16,697.78 : 23,037.72 = 9,623.24 : x
2. Step 2: Convert to fraction form
   16,697.78/23,037.72 = 9,623.24/x
3. Step 3: Cross multiply
   16,697.78x = 23,037.72 × 9,623.24
4. Step 4: Simplify right side
   16,697.78x = 221,697,508.61
5. Step 5: Solve for x
   x = 221,697,508.61/16,697.78
6. Step 6: Final answer
   x = 13,277.06