Finding the Fourth Proportional to 3,572.10, 4,928.31 and 2,078.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,572.10 : 4,928.31 = 2,078.82 : x
2. Step 2: Convert to fraction form
   3,572.10/4,928.31 = 2,078.82/x
3. Step 3: Cross multiply
   3,572.10x = 4,928.31 × 2,078.82
4. Step 4: Simplify right side
   3,572.10x = 10,245,069.39
5. Step 5: Solve for x
   x = 10,245,069.39/3,572.10
6. Step 6: Final answer
   x = 2,868.08