Finding the Fourth Proportional to 8,266.55, 12,399.72 and 3,336.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,266.55 : 12,399.72 = 3,336.10 : x
2. Step 2: Convert to fraction form
   8,266.55/12,399.72 = 3,336.10/x
3. Step 3: Cross multiply
   8,266.55x = 12,399.72 × 3,336.10
4. Step 4: Simplify right side
   8,266.55x = 41,366,681.15
5. Step 5: Solve for x
   x = 41,366,681.15/8,266.55
6. Step 6: Final answer
   x = 5,004.11