Finding the Fourth Proportional to 3,974.10, 5,484.83 and 2,380.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,974.10 : 5,484.83 = 2,380.82 : x
2. Step 2: Convert to fraction form
   3,974.10/5,484.83 = 2,380.82/x
3. Step 3: Cross multiply
   3,974.10x = 5,484.83 × 2,380.82
4. Step 4: Simplify right side
   3,974.10x = 13,058,365.86
5. Step 5: Solve for x
   x = 13,058,365.86/3,974.10
6. Step 6: Final answer
   x = 3,285.87