Finding the Fourth Proportional to 3,728.85, 5,145.89 and 2,050.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,728.85 : 5,145.89 = 2,050.32 : x
2. Step 2: Convert to fraction form
   3,728.85/5,145.89 = 2,050.32/x
3. Step 3: Cross multiply
   3,728.85x = 5,145.89 × 2,050.32
4. Step 4: Simplify right side
   3,728.85x = 10,550,730.23
5. Step 5: Solve for x
   x = 10,550,730.23/3,728.85
6. Step 6: Final answer
   x = 2,829.49