Finding the Fourth Proportional to 2,483.37, 3,728.31 and 1,665.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,483.37 : 3,728.31 = 1,665.30 : x
2. Step 2: Convert to fraction form
   2,483.37/3,728.31 = 1,665.30/x
3. Step 3: Cross multiply
   2,483.37x = 3,728.31 × 1,665.30
4. Step 4: Simplify right side
   2,483.37x = 6,208,746.32
5. Step 5: Solve for x
   x = 6,208,746.32/2,483.37
6. Step 6: Final answer
   x = 2,500.13