Finding the Fourth Proportional to 16,164.86, 22,305.69 and 8,994.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,164.86 : 22,305.69 = 8,994.50 : x
2. Step 2: Convert to fraction form
   16,164.86/22,305.69 = 8,994.50/x
3. Step 3: Cross multiply
   16,164.86x = 22,305.69 × 8,994.50
4. Step 4: Simplify right side
   16,164.86x = 200,628,528.71
5. Step 5: Solve for x
   x = 200,628,528.71/16,164.86
6. Step 6: Final answer
   x = 12,411.40