Finding the Fourth Proportional to 2,579.76, 3,560.06 and 1,400.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,579.76 : 3,560.06 = 1,400.83 : x
2. Step 2: Convert to fraction form
   2,579.76/3,560.06 = 1,400.83/x
3. Step 3: Cross multiply
   2,579.76x = 3,560.06 × 1,400.83
4. Step 4: Simplify right side
   2,579.76x = 4,987,019.05
5. Step 5: Solve for x
   x = 4,987,019.05/2,579.76
6. Step 6: Final answer
   x = 1,933.14