Finding the Fourth Proportional to 2,266.59, 3,128.03 and 1,271.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,266.59 : 3,128.03 = 1,271.93 : x
2. Step 2: Convert to fraction form
   2,266.59/3,128.03 = 1,271.93/x
3. Step 3: Cross multiply
   2,266.59x = 3,128.03 × 1,271.93
4. Step 4: Simplify right side
   2,266.59x = 3,978,613.20
5. Step 5: Solve for x
   x = 3,978,613.20/2,266.59
6. Step 6: Final answer
   x = 1,755.33