Finding the Fourth Proportional to 3,057.08, 4,218.71 and 1,659.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,057.08 : 4,218.71 = 1,659.83 : x
2. Step 2: Convert to fraction form
   3,057.08/4,218.71 = 1,659.83/x
3. Step 3: Cross multiply
   3,057.08x = 4,218.71 × 1,659.83
4. Step 4: Simplify right side
   3,057.08x = 7,002,312.03
5. Step 5: Solve for x
   x = 7,002,312.03/3,057.08
6. Step 6: Final answer
   x = 2,290.53