Finding the Fourth Proportional to 2,052.63, 2,831.22 and 1,265.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,052.63 : 2,831.22 = 1,265.31 : x
2. Step 2: Convert to fraction form
   2,052.63/2,831.22 = 1,265.31/x
3. Step 3: Cross multiply
   2,052.63x = 2,831.22 × 1,265.31
4. Step 4: Simplify right side
   2,052.63x = 3,582,370.98
5. Step 5: Solve for x
   x = 3,582,370.98/2,052.63
6. Step 6: Final answer
   x = 1,745.26