Finding the Fourth Proportional to 3,591.39, 4,956.39 and 2,019.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,591.39 : 4,956.39 = 2,019.72 : x
2. Step 2: Convert to fraction form
   3,591.39/4,956.39 = 2,019.72/x
3. Step 3: Cross multiply
   3,591.39x = 4,956.39 × 2,019.72
4. Step 4: Simplify right side
   3,591.39x = 10,010,520.01
5. Step 5: Solve for x
   x = 10,010,520.01/3,591.39
6. Step 6: Final answer
   x = 2,787.37