Finding the Fourth Proportional to 12,480.35, 17,218.72 and 8,233.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,480.35 : 17,218.72 = 8,233.52 : x
2. Step 2: Convert to fraction form
   12,480.35/17,218.72 = 8,233.52/x
3. Step 3: Cross multiply
   12,480.35x = 17,218.72 × 8,233.52
4. Step 4: Simplify right side
   12,480.35x = 141,770,599.69
5. Step 5: Solve for x
   x = 141,770,599.69/12,480.35
6. Step 6: Final answer
   x = 11,359.51