Finding the Fourth Proportional to 3,697.96, 5,104.02 and 2,519.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,697.96 : 5,104.02 = 2,519.50 : x
2. Step 2: Convert to fraction form
   3,697.96/5,104.02 = 2,519.50/x
3. Step 3: Cross multiply
   3,697.96x = 5,104.02 × 2,519.50
4. Step 4: Simplify right side
   3,697.96x = 12,859,578.39
5. Step 5: Solve for x
   x = 12,859,578.39/3,697.96
6. Step 6: Final answer
   x = 3,477.48