Finding the Fourth Proportional to 4,003.57, 6,007.29 and 1,665.37

Step by Step Solution

1. Step 1: Write the proportion equation
   4,003.57 : 6,007.29 = 1,665.37 : x
2. Step 2: Convert to fraction form
   4,003.57/6,007.29 = 1,665.37/x
3. Step 3: Cross multiply
   4,003.57x = 6,007.29 × 1,665.37
4. Step 4: Simplify right side
   4,003.57x = 10,004,360.55
5. Step 5: Solve for x
   x = 10,004,360.55/4,003.57
6. Step 6: Final answer
   x = 2,498.86