Finding the Fourth Proportional to 2,259.02, 3,117.30 and 1,264.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,259.02 : 3,117.30 = 1,264.29 : x
2. Step 2: Convert to fraction form
   2,259.02/3,117.30 = 1,264.29/x
3. Step 3: Cross multiply
   2,259.02x = 3,117.30 × 1,264.29
4. Step 4: Simplify right side
   2,259.02x = 3,941,171.22
5. Step 5: Solve for x
   x = 3,941,171.22/2,259.02
6. Step 6: Final answer
   x = 1,744.64