Finding the Fourth Proportional to 2,508.15, 3,458.70 and 1,513.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,508.15 : 3,458.70 = 1,513.29 : x
2. Step 2: Convert to fraction form
   2,508.15/3,458.70 = 1,513.29/x
3. Step 3: Cross multiply
   2,508.15x = 3,458.70 × 1,513.29
4. Step 4: Simplify right side
   2,508.15x = 5,234,016.12
5. Step 5: Solve for x
   x = 5,234,016.12/2,508.15
6. Step 6: Final answer
   x = 2,086.80