Finding the Fourth Proportional to 16,276.46, 22,457.86 and 9,906.35

Step by Step Solution

1. Step 1: Write the proportion equation
   16,276.46 : 22,457.86 = 9,906.35 : x
2. Step 2: Convert to fraction form
   16,276.46/22,457.86 = 9,906.35/x
3. Step 3: Cross multiply
   16,276.46x = 22,457.86 × 9,906.35
4. Step 4: Simplify right side
   16,276.46x = 222,475,284.36
5. Step 5: Solve for x
   x = 222,475,284.36/16,276.46
6. Step 6: Final answer
   x = 13,668.53