Finding the Fourth Proportional to 16,401.33, 22,631.94 and 9,326.25

Step by Step Solution

1. Step 1: Write the proportion equation
   16,401.33 : 22,631.94 = 9,326.25 : x
2. Step 2: Convert to fraction form
   16,401.33/22,631.94 = 9,326.25/x
3. Step 3: Cross multiply
   16,401.33x = 22,631.94 × 9,326.25
4. Step 4: Simplify right side
   16,401.33x = 211,071,130.43
5. Step 5: Solve for x
   x = 211,071,130.43/16,401.33
6. Step 6: Final answer
   x = 12,869.15