Finding the Fourth Proportional to 16,161.09, 22,276.89 and 14,805.15

Step by Step Solution

1. Step 1: Write the proportion equation
   16,161.09 : 22,276.89 = 14,805.15 : x
2. Step 2: Convert to fraction form
   16,161.09/22,276.89 = 14,805.15/x
3. Step 3: Cross multiply
   16,161.09x = 22,276.89 × 14,805.15
4. Step 4: Simplify right side
   16,161.09x = 329,812,697.98
5. Step 5: Solve for x
   x = 329,812,697.98/16,161.09
6. Step 6: Final answer
   x = 20,407.83