Finding the Fourth Proportional to 3,685.96, 5,519.18 and 1,949.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,685.96 : 5,519.18 = 1,949.32 : x
2. Step 2: Convert to fraction form
   3,685.96/5,519.18 = 1,949.32/x
3. Step 3: Cross multiply
   3,685.96x = 5,519.18 × 1,949.32
4. Step 4: Simplify right side
   3,685.96x = 10,758,647.96
5. Step 5: Solve for x
   x = 10,758,647.96/3,685.96
6. Step 6: Final answer
   x = 2,918.82