Finding the Fourth Proportional to 16,491.12, 22,757.94 and 9,684.69

Step by Step Solution

1. Step 1: Write the proportion equation
   16,491.12 : 22,757.94 = 9,684.69 : x
2. Step 2: Convert to fraction form
   16,491.12/22,757.94 = 9,684.69/x
3. Step 3: Cross multiply
   16,491.12x = 22,757.94 × 9,684.69
4. Step 4: Simplify right side
   16,491.12x = 220,403,593.94
5. Step 5: Solve for x
   x = 220,403,593.94/16,491.12
6. Step 6: Final answer
   x = 13,364.99