Finding the Fourth Proportional to 2,266.34, 3,127.55 and 1,271.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,266.34 : 3,127.55 = 1,271.60 : x
2. Step 2: Convert to fraction form
   2,266.34/3,127.55 = 1,271.60/x
3. Step 3: Cross multiply
   2,266.34x = 3,127.55 × 1,271.60
4. Step 4: Simplify right side
   2,266.34x = 3,976,994.04
5. Step 5: Solve for x
   x = 3,976,994.04/2,266.34
6. Step 6: Final answer
   x = 1,754.81