Finding the Fourth Proportional to 16,639.43, 22,962.06 and 9,086.00

Step by Step Solution

1. Step 1: Write the proportion equation
   16,639.43 : 22,962.06 = 9,086.00 : x
2. Step 2: Convert to fraction form
   16,639.43/22,962.06 = 9,086.00/x
3. Step 3: Cross multiply
   16,639.43x = 22,962.06 × 9,086.00
4. Step 4: Simplify right side
   16,639.43x = 208,633,162.35
5. Step 5: Solve for x
   x = 208,633,162.35/16,639.43
6. Step 6: Final answer
   x = 12,538.48