Finding the Fourth Proportional to 7,143.49, 10,716.83 and 3,448.82

Step by Step Solution

1. Step 1: Write the proportion equation
   7,143.49 : 10,716.83 = 3,448.82 : x
2. Step 2: Convert to fraction form
   7,143.49/10,716.83 = 3,448.82/x
3. Step 3: Cross multiply
   7,143.49x = 10,716.83 × 3,448.82
4. Step 4: Simplify right side
   7,143.49x = 36,960,417.64
5. Step 5: Solve for x
   x = 36,960,417.64/7,143.49
6. Step 6: Final answer
   x = 5,174.00