Finding the Fourth Proportional to 16,503.08, 22,771.86 and 9,786.20

Step by Step Solution

1. Step 1: Write the proportion equation
   16,503.08 : 22,771.86 = 9,786.20 : x
2. Step 2: Convert to fraction form
   16,503.08/22,771.86 = 9,786.20/x
3. Step 3: Cross multiply
   16,503.08x = 22,771.86 × 9,786.20
4. Step 4: Simplify right side
   16,503.08x = 222,849,976.33
5. Step 5: Solve for x
   x = 222,849,976.33/16,503.08
6. Step 6: Final answer
   x = 13,503.54