Finding the Fourth Proportional to 5,718.59, 8,578.94 and 2,019.83

Step by Step Solution

1. Step 1: Write the proportion equation
   5,718.59 : 8,578.94 = 2,019.83 : x
2. Step 2: Convert to fraction form
   5,718.59/8,578.94 = 2,019.83/x
3. Step 3: Cross multiply
   5,718.59x = 8,578.94 × 2,019.83
4. Step 4: Simplify right side
   5,718.59x = 17,327,947.39
5. Step 5: Solve for x
   x = 17,327,947.39/5,718.59
6. Step 6: Final answer
   x = 3,030.11