Finding the Fourth Proportional to 12,266.10, 18,399.42 and 3,501.24

Step by Step Solution

1. Step 1: Write the proportion equation
   12,266.10 : 18,399.42 = 3,501.24 : x
2. Step 2: Convert to fraction form
   12,266.10/18,399.42 = 3,501.24/x
3. Step 3: Cross multiply
   12,266.10x = 18,399.42 × 3,501.24
4. Step 4: Simplify right side
   12,266.10x = 64,420,785.28
5. Step 5: Solve for x
   x = 64,420,785.28/12,266.10
6. Step 6: Final answer
   x = 5,251.94