Finding the Fourth Proportional to 2,259.41, 3,117.96 and 1,264.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,259.41 : 3,117.96 = 1,264.69 : x
2. Step 2: Convert to fraction form
   2,259.41/3,117.96 = 1,264.69/x
3. Step 3: Cross multiply
   2,259.41x = 3,117.96 × 1,264.69
4. Step 4: Simplify right side
   2,259.41x = 3,943,256.73
5. Step 5: Solve for x
   x = 3,943,256.73/2,259.41
6. Step 6: Final answer
   x = 1,745.26