Finding the Fourth Proportional to 3,926.52, 5,418.81 and 2,354.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,926.52 : 5,418.81 = 2,354.31 : x
2. Step 2: Convert to fraction form
   3,926.52/5,418.81 = 2,354.31/x
3. Step 3: Cross multiply
   3,926.52x = 5,418.81 × 2,354.31
4. Step 4: Simplify right side
   3,926.52x = 12,757,558.57
5. Step 5: Solve for x
   x = 12,757,558.57/3,926.52
6. Step 6: Final answer
   x = 3,249.08