Finding the Fourth Proportional to 3,912.63, 5,401.16 and 2,498.17

Step by Step Solution

1. Step 1: Write the proportion equation
   3,912.63 : 5,401.16 = 2,498.17 : x
2. Step 2: Convert to fraction form
   3,912.63/5,401.16 = 2,498.17/x
3. Step 3: Cross multiply
   3,912.63x = 5,401.16 × 2,498.17
4. Step 4: Simplify right side
   3,912.63x = 13,493,015.88
5. Step 5: Solve for x
   x = 13,493,015.88/3,912.63
6. Step 6: Final answer
   x = 3,448.58