Finding the Fourth Proportional to 8,387.82, 12,583.55 and 2,544.28

Step by Step Solution

1. Step 1: Write the proportion equation
   8,387.82 : 12,583.55 = 2,544.28 : x
2. Step 2: Convert to fraction form
   8,387.82/12,583.55 = 2,544.28/x
3. Step 3: Cross multiply
   8,387.82x = 12,583.55 × 2,544.28
4. Step 4: Simplify right side
   8,387.82x = 32,016,049.50
5. Step 5: Solve for x
   x = 32,016,049.50/8,387.82
6. Step 6: Final answer
   x = 3,816.97