Finding the Fourth Proportional to 16,439.36, 22,680.72 and 10,068.96

Step by Step Solution

1. Step 1: Write the proportion equation
   16,439.36 : 22,680.72 = 10,068.96 : x
2. Step 2: Convert to fraction form
   16,439.36/22,680.72 = 10,068.96/x
3. Step 3: Cross multiply
   16,439.36x = 22,680.72 × 10,068.96
4. Step 4: Simplify right side
   16,439.36x = 228,371,262.45
5. Step 5: Solve for x
   x = 228,371,262.45/16,439.36
6. Step 6: Final answer
   x = 13,891.74