Finding the Fourth Proportional to 2,579.68, 3,559.89 and 1,400.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,579.68 : 3,559.89 = 1,400.73 : x
2. Step 2: Convert to fraction form
   2,579.68/3,559.89 = 1,400.73/x
3. Step 3: Cross multiply
   2,579.68x = 3,559.89 × 1,400.73
4. Step 4: Simplify right side
   2,579.68x = 4,986,444.72
5. Step 5: Solve for x
   x = 4,986,444.72/2,579.68
6. Step 6: Final answer
   x = 1,932.97