Finding the Fourth Proportional to 2,057.33, 2,874.79 and 2,057.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,057.33 : 2,874.79 = 2,057.33 : x
2. Step 2: Convert to fraction form
   2,057.33/2,874.79 = 2,057.33/x
3. Step 3: Cross multiply
   2,057.33x = 2,874.79 × 2,057.33
4. Step 4: Simplify right side
   2,057.33x = 5,914,372.19
5. Step 5: Solve for x
   x = 5,914,372.19/2,057.33
6. Step 6: Final answer
   x = 2,874.79