Finding the Fourth Proportional to 2,265.82, 3,126.89 and 1,271.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,265.82 : 3,126.89 = 1,271.17 : x
2. Step 2: Convert to fraction form
   2,265.82/3,126.89 = 1,271.17/x
3. Step 3: Cross multiply
   2,265.82x = 3,126.89 × 1,271.17
4. Step 4: Simplify right side
   2,265.82x = 3,974,806.31
5. Step 5: Solve for x
   x = 3,974,806.31/2,265.82
6. Step 6: Final answer
   x = 1,754.25