Finding the Fourth Proportional to 3,951.12, 5,930.27 and 2,103.79

Step by Step Solution

1. Step 1: Write the proportion equation
   3,951.12 : 5,930.27 = 2,103.79 : x
2. Step 2: Convert to fraction form
   3,951.12/5,930.27 = 2,103.79/x
3. Step 3: Cross multiply
   3,951.12x = 5,930.27 × 2,103.79
4. Step 4: Simplify right side
   3,951.12x = 12,476,042.72
5. Step 5: Solve for x
   x = 12,476,042.72/3,951.12
6. Step 6: Final answer
   x = 3,157.60