Finding the Fourth Proportional to 16,745.72, 23,107.50 and 10,031.24

Step by Step Solution

1. Step 1: Write the proportion equation
   16,745.72 : 23,107.50 = 10,031.24 : x
2. Step 2: Convert to fraction form
   16,745.72/23,107.50 = 10,031.24/x
3. Step 3: Cross multiply
   16,745.72x = 23,107.50 × 10,031.24
4. Step 4: Simplify right side
   16,745.72x = 231,796,878.30
5. Step 5: Solve for x
   x = 231,796,878.30/16,745.72
6. Step 6: Final answer
   x = 13,842.16