Finding the Fourth Proportional to 2,257.16, 3,114.79 and 1,262.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,257.16 : 3,114.79 = 1,262.41 : x
2. Step 2: Convert to fraction form
   2,257.16/3,114.79 = 1,262.41/x
3. Step 3: Cross multiply
   2,257.16x = 3,114.79 × 1,262.41
4. Step 4: Simplify right side
   2,257.16x = 3,932,131.10
5. Step 5: Solve for x
   x = 3,932,131.10/2,257.16
6. Step 6: Final answer
   x = 1,742.07