Finding the Fourth Proportional to 2,257.07, 3,114.89 and 1,262.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,257.07 : 3,114.89 = 1,262.42 : x
2. Step 2: Convert to fraction form
   2,257.07/3,114.89 = 1,262.42/x
3. Step 3: Cross multiply
   2,257.07x = 3,114.89 × 1,262.42
4. Step 4: Simplify right side
   2,257.07x = 3,932,277.55
5. Step 5: Solve for x
   x = 3,932,277.55/2,257.07
6. Step 6: Final answer
   x = 1,742.21