Finding the Fourth Proportional to 16,456.72, 22,702.68 and 10,081.36

Step by Step Solution

1. Step 1: Write the proportion equation
   16,456.72 : 22,702.68 = 10,081.36 : x
2. Step 2: Convert to fraction form
   16,456.72/22,702.68 = 10,081.36/x
3. Step 3: Cross multiply
   16,456.72x = 22,702.68 × 10,081.36
4. Step 4: Simplify right side
   16,456.72x = 228,873,890.04
5. Step 5: Solve for x
   x = 228,873,890.04/16,456.72
6. Step 6: Final answer
   x = 13,907.62