Finding the Fourth Proportional to 3,728.71, 5,145.67 and 2,050.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,728.71 : 5,145.67 = 2,050.18 : x
2. Step 2: Convert to fraction form
   3,728.71/5,145.67 = 2,050.18/x
3. Step 3: Cross multiply
   3,728.71x = 5,145.67 × 2,050.18
4. Step 4: Simplify right side
   3,728.71x = 10,549,549.72
5. Step 5: Solve for x
   x = 10,549,549.72/3,728.71
6. Step 6: Final answer
   x = 2,829.28