Finding the Fourth Proportional to 9,667.68, 14,520.24 and 8,581.44

Step by Step Solution

1. Step 1: Write the proportion equation
   9,667.68 : 14,520.24 = 8,581.44 : x
2. Step 2: Convert to fraction form
   9,667.68/14,520.24 = 8,581.44/x
3. Step 3: Cross multiply
   9,667.68x = 14,520.24 × 8,581.44
4. Step 4: Simplify right side
   9,667.68x = 124,604,568.35
5. Step 5: Solve for x
   x = 124,604,568.35/9,667.68
6. Step 6: Final answer
   x = 12,888.78