Finding the Fourth Proportional to 16,705.10, 23,043.18 and 9,896.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,705.10 : 23,043.18 = 9,896.72 : x
2. Step 2: Convert to fraction form
   16,705.10/23,043.18 = 9,896.72/x
3. Step 3: Cross multiply
   16,705.10x = 23,043.18 × 9,896.72
4. Step 4: Simplify right side
   16,705.10x = 228,051,822.27
5. Step 5: Solve for x
   x = 228,051,822.27/16,705.10
6. Step 6: Final answer
   x = 13,651.63