Finding the Fourth Proportional to 3,789.69, 5,229.01 and 2,217.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,789.69 : 5,229.01 = 2,217.48 : x
2. Step 2: Convert to fraction form
   3,789.69/5,229.01 = 2,217.48/x
3. Step 3: Cross multiply
   3,789.69x = 5,229.01 × 2,217.48
4. Step 4: Simplify right side
   3,789.69x = 11,595,195.78
5. Step 5: Solve for x
   x = 11,595,195.78/3,789.69
6. Step 6: Final answer
   x = 3,059.67