Finding the Fourth Proportional to 16,385.94, 22,607.25 and 9,669.30

Step by Step Solution

1. Step 1: Write the proportion equation
   16,385.94 : 22,607.25 = 9,669.30 : x
2. Step 2: Convert to fraction form
   16,385.94/22,607.25 = 9,669.30/x
3. Step 3: Cross multiply
   16,385.94x = 22,607.25 × 9,669.30
4. Step 4: Simplify right side
   16,385.94x = 218,596,282.43
5. Step 5: Solve for x
   x = 218,596,282.43/16,385.94
6. Step 6: Final answer
   x = 13,340.48