Finding the Fourth Proportional to 2,047.24, 3,078.69 and 1,631.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,047.24 : 3,078.69 = 1,631.71 : x
2. Step 2: Convert to fraction form
   2,047.24/3,078.69 = 1,631.71/x
3. Step 3: Cross multiply
   2,047.24x = 3,078.69 × 1,631.71
4. Step 4: Simplify right side
   2,047.24x = 5,023,529.26
5. Step 5: Solve for x
   x = 5,023,529.26/2,047.24
6. Step 6: Final answer
   x = 2,453.81