Finding the Fourth Proportional to 12,003.26, 16,571.59 and 8,654.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,003.26 : 16,571.59 = 8,654.72 : x
2. Step 2: Convert to fraction form
   12,003.26/16,571.59 = 8,654.72/x
3. Step 3: Cross multiply
   12,003.26x = 16,571.59 × 8,654.72
4. Step 4: Simplify right side
   12,003.26x = 143,422,366.91
5. Step 5: Solve for x
   x = 143,422,366.91/12,003.26
6. Step 6: Final answer
   x = 11,948.62