Finding the Fourth Proportional to 8,387.42, 12,582.94 and 2,544.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,387.42 : 12,582.94 = 2,544.50 : x
2. Step 2: Convert to fraction form
   8,387.42/12,582.94 = 2,544.50/x
3. Step 3: Cross multiply
   8,387.42x = 12,582.94 × 2,544.50
4. Step 4: Simplify right side
   8,387.42x = 32,017,290.83
5. Step 5: Solve for x
   x = 32,017,290.83/8,387.42
6. Step 6: Final answer
   x = 3,817.30