Finding the Fourth Proportional to 2,944.10, 4,409.98 and 2,390.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,944.10 : 4,409.98 = 2,390.67 : x
2. Step 2: Convert to fraction form
   2,944.10/4,409.98 = 2,390.67/x
3. Step 3: Cross multiply
   2,944.10x = 4,409.98 × 2,390.67
4. Step 4: Simplify right side
   2,944.10x = 10,542,800.91
5. Step 5: Solve for x
   x = 10,542,800.91/2,944.10
6. Step 6: Final answer
   x = 3,580.99