Finding the Fourth Proportional to 3,909.34, 5,863.69 and 1,718.08

Step by Step Solution

1. Step 1: Write the proportion equation
   3,909.34 : 5,863.69 = 1,718.08 : x
2. Step 2: Convert to fraction form
   3,909.34/5,863.69 = 1,718.08/x
3. Step 3: Cross multiply
   3,909.34x = 5,863.69 × 1,718.08
4. Step 4: Simplify right side
   3,909.34x = 10,074,288.52
5. Step 5: Solve for x
   x = 10,074,288.52/3,909.34
6. Step 6: Final answer
   x = 2,576.98