Finding the Fourth Proportional to 3,460.39, 5,186.39 and 2,458.17

Step by Step Solution

1. Step 1: Write the proportion equation
   3,460.39 : 5,186.39 = 2,458.17 : x
2. Step 2: Convert to fraction form
   3,460.39/5,186.39 = 2,458.17/x
3. Step 3: Cross multiply
   3,460.39x = 5,186.39 × 2,458.17
4. Step 4: Simplify right side
   3,460.39x = 12,749,016.02
5. Step 5: Solve for x
   x = 12,749,016.02/3,460.39
6. Step 6: Final answer
   x = 3,684.27