Finding the Fourth Proportional to 2,588.27, 3,879.71 and 1,127.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,588.27 : 3,879.71 = 1,127.03 : x
2. Step 2: Convert to fraction form
   2,588.27/3,879.71 = 1,127.03/x
3. Step 3: Cross multiply
   2,588.27x = 3,879.71 × 1,127.03
4. Step 4: Simplify right side
   2,588.27x = 4,372,543.93
5. Step 5: Solve for x
   x = 4,372,543.93/2,588.27
6. Step 6: Final answer
   x = 1,689.37