Finding the Fourth Proportional to 2,259.27, 3,117.92 and 1,264.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,259.27 : 3,117.92 = 1,264.59 : x
2. Step 2: Convert to fraction form
   2,259.27/3,117.92 = 1,264.59/x
3. Step 3: Cross multiply
   2,259.27x = 3,117.92 × 1,264.59
4. Step 4: Simplify right side
   2,259.27x = 3,942,890.45
5. Step 5: Solve for x
   x = 3,942,890.45/2,259.27
6. Step 6: Final answer
   x = 1,745.21