Finding the Fourth Proportional to 16,355.72, 22,582.29 and 10,986.33

Step by Step Solution

1. Step 1: Write the proportion equation
   16,355.72 : 22,582.29 = 10,986.33 : x
2. Step 2: Convert to fraction form
   16,355.72/22,582.29 = 10,986.33/x
3. Step 3: Cross multiply
   16,355.72x = 22,582.29 × 10,986.33
4. Step 4: Simplify right side
   16,355.72x = 248,096,615.98
5. Step 5: Solve for x
   x = 248,096,615.98/16,355.72
6. Step 6: Final answer
   x = 15,168.80