Finding the Fourth Proportional to 3,591.45, 4,955.85 and 2,019.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,591.45 : 4,955.85 = 2,019.42 : x
2. Step 2: Convert to fraction form
   3,591.45/4,955.85 = 2,019.42/x
3. Step 3: Cross multiply
   3,591.45x = 4,955.85 × 2,019.42
4. Step 4: Simplify right side
   3,591.45x = 10,007,942.61
5. Step 5: Solve for x
   x = 10,007,942.61/3,591.45
6. Step 6: Final answer
   x = 2,786.60