Finding the Fourth Proportional to 3,788.25, 5,227.59 and 2,216.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,788.25 : 5,227.59 = 2,216.25 : x
2. Step 2: Convert to fraction form
   3,788.25/5,227.59 = 2,216.25/x
3. Step 3: Cross multiply
   3,788.25x = 5,227.59 × 2,216.25
4. Step 4: Simplify right side
   3,788.25x = 11,585,646.34
5. Step 5: Solve for x
   x = 11,585,646.34/3,788.25
6. Step 6: Final answer
   x = 3,058.31