Finding the Fourth Proportional to 16,498.71, 22,772.16 and 9,429.24

Step by Step Solution

1. Step 1: Write the proportion equation
   16,498.71 : 22,772.16 = 9,429.24 : x
2. Step 2: Convert to fraction form
   16,498.71/22,772.16 = 9,429.24/x
3. Step 3: Cross multiply
   16,498.71x = 22,772.16 × 9,429.24
4. Step 4: Simplify right side
   16,498.71x = 214,724,161.96
5. Step 5: Solve for x
   x = 214,724,161.96/16,498.71
6. Step 6: Final answer
   x = 13,014.60