Finding the Fourth Proportional to 2,356.76, 3,249.11 and 1,726.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,356.76 : 3,249.11 = 1,726.18 : x
2. Step 2: Convert to fraction form
   2,356.76/3,249.11 = 1,726.18/x
3. Step 3: Cross multiply
   2,356.76x = 3,249.11 × 1,726.18
4. Step 4: Simplify right side
   2,356.76x = 5,608,544.89
5. Step 5: Solve for x
   x = 5,608,544.89/2,356.76
6. Step 6: Final answer
   x = 2,379.77