Finding the Fourth Proportional to 16,561.72, 22,849.05 and 9,847.63

Step by Step Solution

1. Step 1: Write the proportion equation
   16,561.72 : 22,849.05 = 9,847.63 : x
2. Step 2: Convert to fraction form
   16,561.72/22,849.05 = 9,847.63/x
3. Step 3: Cross multiply
   16,561.72x = 22,849.05 × 9,847.63
4. Step 4: Simplify right side
   16,561.72x = 225,008,990.25
5. Step 5: Solve for x
   x = 225,008,990.25/16,561.72
6. Step 6: Final answer
   x = 13,586.09