Finding the Fourth Proportional to 3,946.52, 5,447.15 and 2,374.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,946.52 : 5,447.15 = 2,374.31 : x
2. Step 2: Convert to fraction form
   3,946.52/5,447.15 = 2,374.31/x
3. Step 3: Cross multiply
   3,946.52x = 5,447.15 × 2,374.31
4. Step 4: Simplify right side
   3,946.52x = 12,933,233.37
5. Step 5: Solve for x
   x = 12,933,233.37/3,946.52
6. Step 6: Final answer
   x = 3,277.12