Finding the Fourth Proportional to 2,227.26, 3,339.77 and 1,057.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,227.26 : 3,339.77 = 1,057.02 : x
2. Step 2: Convert to fraction form
   2,227.26/3,339.77 = 1,057.02/x
3. Step 3: Cross multiply
   2,227.26x = 3,339.77 × 1,057.02
4. Step 4: Simplify right side
   2,227.26x = 3,530,185.88
5. Step 5: Solve for x
   x = 3,530,185.88/2,227.26
6. Step 6: Final answer
   x = 1,584.99