Finding the Fourth Proportional to 12,626.70, 18,942.18 and 3,859.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,626.70 : 18,942.18 = 3,859.56 : x
2. Step 2: Convert to fraction form
   12,626.70/18,942.18 = 3,859.56/x
3. Step 3: Cross multiply
   12,626.70x = 18,942.18 × 3,859.56
4. Step 4: Simplify right side
   12,626.70x = 73,108,508.30
5. Step 5: Solve for x
   x = 73,108,508.30/12,626.70
6. Step 6: Final answer
   x = 5,789.99