Finding the Fourth Proportional to 4,297.10, 6,443.60 and 1,665.83

Step by Step Solution

1. Step 1: Write the proportion equation
   4,297.10 : 6,443.60 = 1,665.83 : x
2. Step 2: Convert to fraction form
   4,297.10/6,443.60 = 1,665.83/x
3. Step 3: Cross multiply
   4,297.10x = 6,443.60 × 1,665.83
4. Step 4: Simplify right side
   4,297.10x = 10,733,901.64
5. Step 5: Solve for x
   x = 10,733,901.64/4,297.10
6. Step 6: Final answer
   x = 2,497.94