Finding the Fourth Proportional to 3,328.07, 4,989.59 and 2,011.54

Step by Step Solution

1. Step 1: Write the proportion equation
   3,328.07 : 4,989.59 = 2,011.54 : x
2. Step 2: Convert to fraction form
   3,328.07/4,989.59 = 2,011.54/x
3. Step 3: Cross multiply
   3,328.07x = 4,989.59 × 2,011.54
4. Step 4: Simplify right side
   3,328.07x = 10,036,763.59
5. Step 5: Solve for x
   x = 10,036,763.59/3,328.07
6. Step 6: Final answer
   x = 3,015.79