Finding the Fourth Proportional to 8,514.72, 12,764.79 and 5,586.57

Step by Step Solution

1. Step 1: Write the proportion equation
   8,514.72 : 12,764.79 = 5,586.57 : x
2. Step 2: Convert to fraction form
   8,514.72/12,764.79 = 5,586.57/x
3. Step 3: Cross multiply
   8,514.72x = 12,764.79 × 5,586.57
4. Step 4: Simplify right side
   8,514.72x = 71,311,392.87
5. Step 5: Solve for x
   x = 71,311,392.87/8,514.72
6. Step 6: Final answer
   x = 8,375.07