Finding the Fourth Proportional to 2,464.72, 3,400.68 and 1,636.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,464.72 : 3,400.68 = 1,636.72 : x
2. Step 2: Convert to fraction form
   2,464.72/3,400.68 = 1,636.72/x
3. Step 3: Cross multiply
   2,464.72x = 3,400.68 × 1,636.72
4. Step 4: Simplify right side
   2,464.72x = 5,565,960.97
5. Step 5: Solve for x
   x = 5,565,960.97/2,464.72
6. Step 6: Final answer
   x = 2,258.25