Finding the Fourth Proportional to 3,728.35, 5,145.18 and 2,049.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,728.35 : 5,145.18 = 2,049.83 : x
2. Step 2: Convert to fraction form
   3,728.35/5,145.18 = 2,049.83/x
3. Step 3: Cross multiply
   3,728.35x = 5,145.18 × 2,049.83
4. Step 4: Simplify right side
   3,728.35x = 10,546,718.59
5. Step 5: Solve for x
   x = 10,546,718.59/3,728.35
6. Step 6: Final answer
   x = 2,828.79