Finding the Fourth Proportional to 3,700.16, 5,110.42 and 2,519.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,700.16 : 5,110.42 = 2,519.18 : x
2. Step 2: Convert to fraction form
   3,700.16/5,110.42 = 2,519.18/x
3. Step 3: Cross multiply
   3,700.16x = 5,110.42 × 2,519.18
4. Step 4: Simplify right side
   3,700.16x = 12,874,067.86
5. Step 5: Solve for x
   x = 12,874,067.86/3,700.16
6. Step 6: Final answer
   x = 3,479.33