Finding the Fourth Proportional to 8,266.57, 12,401.23 and 4,106.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,266.57 : 12,401.23 = 4,106.72 : x
2. Step 2: Convert to fraction form
   8,266.57/12,401.23 = 4,106.72/x
3. Step 3: Cross multiply
   8,266.57x = 12,401.23 × 4,106.72
4. Step 4: Simplify right side
   8,266.57x = 50,928,379.27
5. Step 5: Solve for x
   x = 50,928,379.27/8,266.57
6. Step 6: Final answer
   x = 6,160.76