Finding the Fourth Proportional to 7,145.16, 10,716.50 and 1,949.82

Step by Step Solution

1. Step 1: Write the proportion equation
   7,145.16 : 10,716.50 = 1,949.82 : x
2. Step 2: Convert to fraction form
   7,145.16/10,716.50 = 1,949.82/x
3. Step 3: Cross multiply
   7,145.16x = 10,716.50 × 1,949.82
4. Step 4: Simplify right side
   7,145.16x = 20,895,246.03
5. Step 5: Solve for x
   x = 20,895,246.03/7,145.16
6. Step 6: Final answer
   x = 2,924.39