Finding the Fourth Proportional to 12,282.72, 18,426.37 and 3,961.87

Step by Step Solution

1. Step 1: Write the proportion equation
   12,282.72 : 18,426.37 = 3,961.87 : x
2. Step 2: Convert to fraction form
   12,282.72/18,426.37 = 3,961.87/x
3. Step 3: Cross multiply
   12,282.72x = 18,426.37 × 3,961.87
4. Step 4: Simplify right side
   12,282.72x = 73,002,833.97
5. Step 5: Solve for x
   x = 73,002,833.97/12,282.72
6. Step 6: Final answer
   x = 5,943.54