Finding the Fourth Proportional to 1,707.78, 2,550.22 and 1,357.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,707.78 : 2,550.22 = 1,357.25 : x
2. Step 2: Convert to fraction form
   1,707.78/2,550.22 = 1,357.25/x
3. Step 3: Cross multiply
   1,707.78x = 2,550.22 × 1,357.25
4. Step 4: Simplify right side
   1,707.78x = 3,461,286.10
5. Step 5: Solve for x
   x = 3,461,286.10/1,707.78
6. Step 6: Final answer
   x = 2,026.78