Finding the Fourth Proportional to 16,355.56, 22,570.56 and 8,903.56

Step by Step Solution

1. Step 1: Write the proportion equation
   16,355.56 : 22,570.56 = 8,903.56 : x
2. Step 2: Convert to fraction form
   16,355.56/22,570.56 = 8,903.56/x
3. Step 3: Cross multiply
   16,355.56x = 22,570.56 × 8,903.56
4. Step 4: Simplify right side
   16,355.56x = 200,958,335.19
5. Step 5: Solve for x
   x = 200,958,335.19/16,355.56
6. Step 6: Final answer
   x = 12,286.85