Finding the Fourth Proportional to 3,591.47, 4,956.71 and 2,019.87

Step by Step Solution

1. Step 1: Write the proportion equation
   3,591.47 : 4,956.71 = 2,019.87 : x
2. Step 2: Convert to fraction form
   3,591.47/4,956.71 = 2,019.87/x
3. Step 3: Cross multiply
   3,591.47x = 4,956.71 × 2,019.87
4. Step 4: Simplify right side
   3,591.47x = 10,011,899.73
5. Step 5: Solve for x
   x = 10,011,899.73/3,591.47
6. Step 6: Final answer
   x = 2,787.69