Finding the Fourth Proportional to 2,499.57, 3,744.48 and 1,631.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499.57 : 3,744.48 = 1,631.25 : x
2. Step 2: Convert to fraction form
   2,499.57/3,744.48 = 1,631.25/x
3. Step 3: Cross multiply
   2,499.57x = 3,744.48 × 1,631.25
4. Step 4: Simplify right side
   2,499.57x = 6,108,183
5. Step 5: Solve for x
   x = 6,108,183/2,499.57
6. Step 6: Final answer
   x = 2,443.69