Finding the Fourth Proportional to 3,591.89, 4,956.86 and 2,019.99

Step by Step Solution

1. Step 1: Write the proportion equation
   3,591.89 : 4,956.86 = 2,019.99 : x
2. Step 2: Convert to fraction form
   3,591.89/4,956.86 = 2,019.99/x
3. Step 3: Cross multiply
   3,591.89x = 4,956.86 × 2,019.99
4. Step 4: Simplify right side
   3,591.89x = 10,012,803.39
5. Step 5: Solve for x
   x = 10,012,803.39/3,591.89
6. Step 6: Final answer
   x = 2,787.61