Finding the Fourth Proportional to 2,726.05, 4,086.23 and 1,264

Step by Step Solution

1. Step 1: Write the proportion equation
   2,726.05 : 4,086.23 = 1,264 : x
2. Step 2: Convert to fraction form
   2,726.05/4,086.23 = 1,264/x
3. Step 3: Cross multiply
   2,726.05x = 4,086.23 × 1,264
4. Step 4: Simplify right side
   2,726.05x = 5,164,994.72
5. Step 5: Solve for x
   x = 5,164,994.72/2,726.05
6. Step 6: Final answer
   x = 1,894.68