Finding the Fourth Proportional to 8,597.21, 12,891.56 and 3,049.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,597.21 : 12,891.56 = 3,049.72 : x
2. Step 2: Convert to fraction form
   8,597.21/12,891.56 = 3,049.72/x
3. Step 3: Cross multiply
   8,597.21x = 12,891.56 × 3,049.72
4. Step 4: Simplify right side
   8,597.21x = 39,315,600.89
5. Step 5: Solve for x
   x = 39,315,600.89/8,597.21
6. Step 6: Final answer
   x = 4,573.07