Finding the Fourth Proportional to 3,411.54, 4,707.59 and 1,919.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,411.54 : 4,707.59 = 1,919.42 : x
2. Step 2: Convert to fraction form
   3,411.54/4,707.59 = 1,919.42/x
3. Step 3: Cross multiply
   3,411.54x = 4,707.59 × 1,919.42
4. Step 4: Simplify right side
   3,411.54x = 9,035,849.37
5. Step 5: Solve for x
   x = 9,035,849.37/3,411.54
6. Step 6: Final answer
   x = 2,648.61