Finding the Fourth Proportional to 17,137.72, 25,714.24 and 10,896.06

Step by Step Solution

1. Step 1: Write the proportion equation
   17,137.72 : 25,714.24 = 10,896.06 : x
2. Step 2: Convert to fraction form
   17,137.72/25,714.24 = 10,896.06/x
3. Step 3: Cross multiply
   17,137.72x = 25,714.24 × 10,896.06
4. Step 4: Simplify right side
   17,137.72x = 280,183,901.89
5. Step 5: Solve for x
   x = 280,183,901.89/17,137.72
6. Step 6: Final answer
   x = 16,348.96