Finding the Fourth Proportional to 3,942.77, 5,440.83 and 2,370.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,942.77 : 5,440.83 = 2,370.56 : x
2. Step 2: Convert to fraction form
   3,942.77/5,440.83 = 2,370.56/x
3. Step 3: Cross multiply
   3,942.77x = 5,440.83 × 2,370.56
4. Step 4: Simplify right side
   3,942.77x = 12,897,813.96
5. Step 5: Solve for x
   x = 12,897,813.96/3,942.77
6. Step 6: Final answer
   x = 3,271.26