Finding the Fourth Proportional to 6,309.06, 8,706.78 and 3,514.56

Step by Step Solution

1. Step 1: Write the proportion equation
   6,309.06 : 8,706.78 = 3,514.56 : x
2. Step 2: Convert to fraction form
   6,309.06/8,706.78 = 3,514.56/x
3. Step 3: Cross multiply
   6,309.06x = 8,706.78 × 3,514.56
4. Step 4: Simplify right side
   6,309.06x = 30,600,500.72
5. Step 5: Solve for x
   x = 30,600,500.72/6,309.06
6. Step 6: Final answer
   x = 4,850.25