Finding the Fourth Proportional to 2,485.46, 3,721.52 and 1,313.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,485.46 : 3,721.52 = 1,313.03 : x
2. Step 2: Convert to fraction form
   2,485.46/3,721.52 = 1,313.03/x
3. Step 3: Cross multiply
   2,485.46x = 3,721.52 × 1,313.03
4. Step 4: Simplify right side
   2,485.46x = 4,886,442.23
5. Step 5: Solve for x
   x = 4,886,442.23/2,485.46
6. Step 6: Final answer
   x = 1,966.02