Finding the Fourth Proportional to 2,257.13, 3,114.72 and 1,262.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,257.13 : 3,114.72 = 1,262.52 : x
2. Step 2: Convert to fraction form
   2,257.13/3,114.72 = 1,262.52/x
3. Step 3: Cross multiply
   2,257.13x = 3,114.72 × 1,262.52
4. Step 4: Simplify right side
   2,257.13x = 3,932,396.29
5. Step 5: Solve for x
   x = 3,932,396.29/2,257.13
6. Step 6: Final answer
   x = 1,742.21