Finding the Fourth Proportional to 2,309.92, 3,185.04 and 1,718.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,309.92 : 3,185.04 = 1,718.56 : x
2. Step 2: Convert to fraction form
   2,309.92/3,185.04 = 1,718.56/x
3. Step 3: Cross multiply
   2,309.92x = 3,185.04 × 1,718.56
4. Step 4: Simplify right side
   2,309.92x = 5,473,682.34
5. Step 5: Solve for x
   x = 5,473,682.34/2,309.92
6. Step 6: Final answer
   x = 2,369.64