Finding the Fourth Proportional to 2,960.58, 4,086.82 and 2,019.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,960.58 : 4,086.82 = 2,019.48 : x
2. Step 2: Convert to fraction form
   2,960.58/4,086.82 = 2,019.48/x
3. Step 3: Cross multiply
   2,960.58x = 4,086.82 × 2,019.48
4. Step 4: Simplify right side
   2,960.58x = 8,253,251.25
5. Step 5: Solve for x
   x = 8,253,251.25/2,960.58
6. Step 6: Final answer
   x = 2,787.71