Finding the Fourth Proportional to 2,266.54, 3,128.03 and 1,271.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,266.54 : 3,128.03 = 1,271.81 : x
2. Step 2: Convert to fraction form
   2,266.54/3,128.03 = 1,271.81/x
3. Step 3: Cross multiply
   2,266.54x = 3,128.03 × 1,271.81
4. Step 4: Simplify right side
   2,266.54x = 3,978,259.83
5. Step 5: Solve for x
   x = 3,978,259.83/2,266.54
6. Step 6: Final answer
   x = 1,755.21