Finding the Fourth Proportional to 12,103.32, 18,144.41 and 9,759.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,103.32 : 18,144.41 = 9,759.18 : x
2. Step 2: Convert to fraction form
   12,103.32/18,144.41 = 9,759.18/x
3. Step 3: Cross multiply
   12,103.32x = 18,144.41 × 9,759.18
4. Step 4: Simplify right side
   12,103.32x = 177,074,514.39
5. Step 5: Solve for x
   x = 177,074,514.39/12,103.32
6. Step 6: Final answer
   x = 14,630.24