Finding the Fourth Proportional to 16,355.25, 22,570.25 and 8,903.25

Step by Step Solution

1. Step 1: Write the proportion equation
   16,355.25 : 22,570.25 = 8,903.25 : x
2. Step 2: Convert to fraction form
   16,355.25/22,570.25 = 8,903.25/x
3. Step 3: Cross multiply
   16,355.25x = 22,570.25 × 8,903.25
4. Step 4: Simplify right side
   16,355.25x = 200,948,533.80
5. Step 5: Solve for x
   x = 200,948,533.80/16,355.25
6. Step 6: Final answer
   x = 12,286.49