Finding the Fourth Proportional to 16,228.10, 22,394.77 and 8,776.10

Step by Step Solution

1. Step 1: Write the proportion equation
   16,228.10 : 22,394.77 = 8,776.10 : x
2. Step 2: Convert to fraction form
   16,228.10/22,394.77 = 8,776.10/x
3. Step 3: Cross multiply
   16,228.10x = 22,394.77 × 8,776.10
4. Step 4: Simplify right side
   16,228.10x = 196,538,741.00
5. Step 5: Solve for x
   x = 196,538,741.00/16,228.10
6. Step 6: Final answer
   x = 12,111.01