Finding the Fourth Proportional to 3,728.62, 5,145.61 and 2,050.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,728.62 : 5,145.61 = 2,050.10 : x
2. Step 2: Convert to fraction form
   3,728.62/5,145.61 = 2,050.10/x
3. Step 3: Cross multiply
   3,728.62x = 5,145.61 × 2,050.10
4. Step 4: Simplify right side
   3,728.62x = 10,549,015.06
5. Step 5: Solve for x
   x = 10,549,015.06/3,728.62
6. Step 6: Final answer
   x = 2,829.20