Finding the Fourth Proportional to 12,264.09, 18,399.72 and 3,943.92

Step by Step Solution

1. Step 1: Write the proportion equation
   12,264.09 : 18,399.72 = 3,943.92 : x
2. Step 2: Convert to fraction form
   12,264.09/18,399.72 = 3,943.92/x
3. Step 3: Cross multiply
   12,264.09x = 18,399.72 × 3,943.92
4. Step 4: Simplify right side
   12,264.09x = 72,567,023.70
5. Step 5: Solve for x
   x = 72,567,023.70/12,264.09
6. Step 6: Final answer
   x = 5,917.03