Finding the Fourth Proportional to 2,265.85, 3,127.00 and 1,271.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,265.85 : 3,127.00 = 1,271.10 : x
2. Step 2: Convert to fraction form
   2,265.85/3,127.00 = 1,271.10/x
3. Step 3: Cross multiply
   2,265.85x = 3,127.00 × 1,271.10
4. Step 4: Simplify right side
   2,265.85x = 3,974,726.52
5. Step 5: Solve for x
   x = 3,974,726.52/2,265.85
6. Step 6: Final answer
   x = 1,754.19