Finding the Fourth Proportional to 3,964.55, 5,468.72 and 2,471.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,964.55 : 5,468.72 = 2,471.31 : x
2. Step 2: Convert to fraction form
   3,964.55/5,468.72 = 2,471.31/x
3. Step 3: Cross multiply
   3,964.55x = 5,468.72 × 2,471.31
4. Step 4: Simplify right side
   3,964.55x = 13,514,890.07
5. Step 5: Solve for x
   x = 13,514,890.07/3,964.55
6. Step 6: Final answer
   x = 3,408.94