Finding the Fourth Proportional to 8,566.43, 12,847.34 and 3,019.06

Step by Step Solution

1. Step 1: Write the proportion equation
   8,566.43 : 12,847.34 = 3,019.06 : x
2. Step 2: Convert to fraction form
   8,566.43/12,847.34 = 3,019.06/x
3. Step 3: Cross multiply
   8,566.43x = 12,847.34 × 3,019.06
4. Step 4: Simplify right side
   8,566.43x = 38,786,826.06
5. Step 5: Solve for x
   x = 38,786,826.06/8,566.43
6. Step 6: Final answer
   x = 4,527.77