Finding the Fourth Proportional to 16,586.96, 22,879.72 and 9,868.04

Step by Step Solution

1. Step 1: Write the proportion equation
   16,586.96 : 22,879.72 = 9,868.04 : x
2. Step 2: Convert to fraction form
   16,586.96/22,879.72 = 9,868.04/x
3. Step 3: Cross multiply
   16,586.96x = 22,879.72 × 9,868.04
4. Step 4: Simplify right side
   16,586.96x = 225,777,992.15
5. Step 5: Solve for x
   x = 225,777,992.15/16,586.96
6. Step 6: Final answer
   x = 13,611.78