Finding the Fourth Proportional to 3,728.90, 5,145.91 and 2,050.29

Step by Step Solution

1. Step 1: Write the proportion equation
   3,728.90 : 5,145.91 = 2,050.29 : x
2. Step 2: Convert to fraction form
   3,728.90/5,145.91 = 2,050.29/x
3. Step 3: Cross multiply
   3,728.90x = 5,145.91 × 2,050.29
4. Step 4: Simplify right side
   3,728.90x = 10,550,602.69
5. Step 5: Solve for x
   x = 10,550,602.69/3,728.90
6. Step 6: Final answer
   x = 2,829.41