Finding the Fourth Proportional to 4,057.61, 6,085.94 and 1,718.55

Step by Step Solution

1. Step 1: Write the proportion equation
   4,057.61 : 6,085.94 = 1,718.55 : x
2. Step 2: Convert to fraction form
   4,057.61/6,085.94 = 1,718.55/x
3. Step 3: Cross multiply
   4,057.61x = 6,085.94 × 1,718.55
4. Step 4: Simplify right side
   4,057.61x = 10,458,983.59
5. Step 5: Solve for x
   x = 10,458,983.59/4,057.61
6. Step 6: Final answer
   x = 2,577.62