Finding the Fourth Proportional to 3,951.52, 5,923.02 and 2,100.77

Step by Step Solution

1. Step 1: Write the proportion equation
   3,951.52 : 5,923.02 = 2,100.77 : x
2. Step 2: Convert to fraction form
   3,951.52/5,923.02 = 2,100.77/x
3. Step 3: Cross multiply
   3,951.52x = 5,923.02 × 2,100.77
4. Step 4: Simplify right side
   3,951.52x = 12,442,902.73
5. Step 5: Solve for x
   x = 12,442,902.73/3,951.52
6. Step 6: Final answer
   x = 3,148.89