Finding the Fourth Proportional to 12,864.32, 17,754.72 and 9,343.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,864.32 : 17,754.72 = 9,343.52 : x
2. Step 2: Convert to fraction form
   12,864.32/17,754.72 = 9,343.52/x
3. Step 3: Cross multiply
   12,864.32x = 17,754.72 × 9,343.52
4. Step 4: Simplify right side
   12,864.32x = 165,891,581.41
5. Step 5: Solve for x
   x = 165,891,581.41/12,864.32
6. Step 6: Final answer
   x = 12,895.48