Finding the Fourth Proportional to 3,591.18, 4,956.12 and 2,019.51

Step by Step Solution

1. Step 1: Write the proportion equation
   3,591.18 : 4,956.12 = 2,019.51 : x
2. Step 2: Convert to fraction form
   3,591.18/4,956.12 = 2,019.51/x
3. Step 3: Cross multiply
   3,591.18x = 4,956.12 × 2,019.51
4. Step 4: Simplify right side
   3,591.18x = 10,008,933.90
5. Step 5: Solve for x
   x = 10,008,933.90/3,591.18
6. Step 6: Final answer
   x = 2,787.09