Finding the Fourth Proportional to 3,810.69, 5,258.82 and 2,217.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,810.69 : 5,258.82 = 2,217.27 : x
2. Step 2: Convert to fraction form
   3,810.69/5,258.82 = 2,217.27/x
3. Step 3: Cross multiply
   3,810.69x = 5,258.82 × 2,217.27
4. Step 4: Simplify right side
   3,810.69x = 11,660,223.82
5. Step 5: Solve for x
   x = 11,660,223.82/3,810.69
6. Step 6: Final answer
   x = 3,059.87