Finding the Fourth Proportional to 16,401.84, 22,634.82 and 9,328.32

Step by Step Solution

1. Step 1: Write the proportion equation
   16,401.84 : 22,634.82 = 9,328.32 : x
2. Step 2: Convert to fraction form
   16,401.84/22,634.82 = 9,328.32/x
3. Step 3: Cross multiply
   16,401.84x = 22,634.82 × 9,328.32
4. Step 4: Simplify right side
   16,401.84x = 211,144,844.10
5. Step 5: Solve for x
   x = 211,144,844.10/16,401.84
6. Step 6: Final answer
   x = 12,873.24