Finding the Fourth Proportional to 3,951.71, 5,928.45 and 2,104.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,951.71 : 5,928.45 = 2,104.59 : x
2. Step 2: Convert to fraction form
   3,951.71/5,928.45 = 2,104.59/x
3. Step 3: Cross multiply
   3,951.71x = 5,928.45 × 2,104.59
4. Step 4: Simplify right side
   3,951.71x = 12,476,956.59
5. Step 5: Solve for x
   x = 12,476,956.59/3,951.71
6. Step 6: Final answer
   x = 3,157.36