Finding the Fourth Proportional to 2,285.52, 3,415.18 and 1,718.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,285.52 : 3,415.18 = 1,718.96 : x
2. Step 2: Convert to fraction form
   2,285.52/3,415.18 = 1,718.96/x
3. Step 3: Cross multiply
   2,285.52x = 3,415.18 × 1,718.96
4. Step 4: Simplify right side
   2,285.52x = 5,870,557.81
5. Step 5: Solve for x
   x = 5,870,557.81/2,285.52
6. Step 6: Final answer
   x = 2,568.59