Finding the Fourth Proportional to 3,411.32, 4,707.59 and 1,919.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,411.32 : 4,707.59 = 1,919.16 : x
2. Step 2: Convert to fraction form
   3,411.32/4,707.59 = 1,919.16/x
3. Step 3: Cross multiply
   3,411.32x = 4,707.59 × 1,919.16
4. Step 4: Simplify right side
   3,411.32x = 9,034,608.83
5. Step 5: Solve for x
   x = 9,034,608.83/3,411.32
6. Step 6: Final answer
   x = 2,648.42