Finding the Fourth Proportional to 16,398.32, 22,627.52 and 9,323.20

Step by Step Solution

1. Step 1: Write the proportion equation
   16,398.32 : 22,627.52 = 9,323.20 : x
2. Step 2: Convert to fraction form
   16,398.32/22,627.52 = 9,323.20/x
3. Step 3: Cross multiply
   16,398.32x = 22,627.52 × 9,323.20
4. Step 4: Simplify right side
   16,398.32x = 210,960,894.46
5. Step 5: Solve for x
   x = 210,960,894.46/16,398.32
6. Step 6: Final answer
   x = 12,864.79