Finding the Fourth Proportional to 2,266.57, 3,127.63 and 1,271.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,266.57 : 3,127.63 = 1,271.96 : x
2. Step 2: Convert to fraction form
   2,266.57/3,127.63 = 1,271.96/x
3. Step 3: Cross multiply
   2,266.57x = 3,127.63 × 1,271.96
4. Step 4: Simplify right side
   2,266.57x = 3,978,215.55
5. Step 5: Solve for x
   x = 3,978,215.55/2,266.57
6. Step 6: Final answer
   x = 1,755.17