Finding the Fourth Proportional to 2,259.09, 3,117.59 and 1,264.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,259.09 : 3,117.59 = 1,264.26 : x
2. Step 2: Convert to fraction form
   2,259.09/3,117.59 = 1,264.26/x
3. Step 3: Cross multiply
   2,259.09x = 3,117.59 × 1,264.26
4. Step 4: Simplify right side
   2,259.09x = 3,941,444.33
5. Step 5: Solve for x
   x = 3,941,444.33/2,259.09
6. Step 6: Final answer
   x = 1,744.70