Finding the Fourth Proportional to 2,262.89, 3,122.96 and 1,268.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,262.89 : 3,122.96 = 1,268.21 : x
2. Step 2: Convert to fraction form
   2,262.89/3,122.96 = 1,268.21/x
3. Step 3: Cross multiply
   2,262.89x = 3,122.96 × 1,268.21
4. Step 4: Simplify right side
   2,262.89x = 3,960,547.15
5. Step 5: Solve for x
   x = 3,960,547.15/2,262.89
6. Step 6: Final answer
   x = 1,750.22