Finding the Fourth Proportional to 3,591.84, 4,956.72 and 2,019.90

Step by Step Solution

1. Step 1: Write the proportion equation
   3,591.84 : 4,956.72 = 2,019.90 : x
2. Step 2: Convert to fraction form
   3,591.84/4,956.72 = 2,019.90/x
3. Step 3: Cross multiply
   3,591.84x = 4,956.72 × 2,019.90
4. Step 4: Simplify right side
   3,591.84x = 10,012,078.73
5. Step 5: Solve for x
   x = 10,012,078.73/3,591.84
6. Step 6: Final answer
   x = 2,787.45