Finding the Fourth Proportional to 2,266.30, 3,127.49 and 1,271.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,266.30 : 3,127.49 = 1,271.57 : x
2. Step 2: Convert to fraction form
   2,266.30/3,127.49 = 1,271.57/x
3. Step 3: Cross multiply
   2,266.30x = 3,127.49 × 1,271.57
4. Step 4: Simplify right side
   2,266.30x = 3,976,833.46
5. Step 5: Solve for x
   x = 3,976,833.46/2,266.30
6. Step 6: Final answer
   x = 1,754.77