Finding the Fourth Proportional to 2,389.83, 3,294.84 and 1,726.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,389.83 : 3,294.84 = 1,726.84 : x
2. Step 2: Convert to fraction form
   2,389.83/3,294.84 = 1,726.84/x
3. Step 3: Cross multiply
   2,389.83x = 3,294.84 × 1,726.84
4. Step 4: Simplify right side
   2,389.83x = 5,689,661.51
5. Step 5: Solve for x
   x = 5,689,661.51/2,389.83
6. Step 6: Final answer
   x = 2,380.78