Finding the Fourth Proportional to 8,544.52, 12,816.86 and 2,388.52

Step by Step Solution

1. Step 1: Write the proportion equation
   8,544.52 : 12,816.86 = 2,388.52 : x
2. Step 2: Convert to fraction form
   8,544.52/12,816.86 = 2,388.52/x
3. Step 3: Cross multiply
   8,544.52x = 12,816.86 × 2,388.52
4. Step 4: Simplify right side
   8,544.52x = 30,613,326.45
5. Step 5: Solve for x
   x = 30,613,326.45/8,544.52
6. Step 6: Final answer
   x = 3,582.80