Finding the Fourth Proportional to 3,994.18, 5,510.34 and 2,419.54

Step by Step Solution

1. Step 1: Write the proportion equation
   3,994.18 : 5,510.34 = 2,419.54 : x
2. Step 2: Convert to fraction form
   3,994.18/5,510.34 = 2,419.54/x
3. Step 3: Cross multiply
   3,994.18x = 5,510.34 × 2,419.54
4. Step 4: Simplify right side
   3,994.18x = 13,332,474.27
5. Step 5: Solve for x
   x = 13,332,474.27/3,994.18
6. Step 6: Final answer
   x = 3,337.98