Finding the Fourth Proportional to 2,057.25, 2,839.05 and 1,900.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,057.25 : 2,839.05 = 1,900.29 : x
2. Step 2: Convert to fraction form
   2,057.25/2,839.05 = 1,900.29/x
3. Step 3: Cross multiply
   2,057.25x = 2,839.05 × 1,900.29
4. Step 4: Simplify right side
   2,057.25x = 5,395,018.32
5. Step 5: Solve for x
   x = 5,395,018.32/2,057.25
6. Step 6: Final answer
   x = 2,622.44