Finding the Fourth Proportional to 8,389.52, 12,582.86 and 2,544.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,389.52 : 12,582.86 = 2,544.72 : x
2. Step 2: Convert to fraction form
   8,389.52/12,582.86 = 2,544.72/x
3. Step 3: Cross multiply
   8,389.52x = 12,582.86 × 2,544.72
4. Step 4: Simplify right side
   8,389.52x = 32,019,855.50
5. Step 5: Solve for x
   x = 32,019,855.50/8,389.52
6. Step 6: Final answer
   x = 3,816.65