Finding the Fourth Proportional to 5,171.69, 7,136.93 and 2,813.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,171.69 : 7,136.93 = 2,813.82 : x
2. Step 2: Convert to fraction form
   5,171.69/7,136.93 = 2,813.82/x
3. Step 3: Cross multiply
   5,171.69x = 7,136.93 × 2,813.82
4. Step 4: Simplify right side
   5,171.69x = 20,082,022.30
5. Step 5: Solve for x
   x = 20,082,022.30/5,171.69
6. Step 6: Final answer
   x = 3,883.07