Finding the Fourth Proportional to 3,735.99, 5,155.59 and 2,057.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,735.99 : 5,155.59 = 2,057.31 : x
2. Step 2: Convert to fraction form
   3,735.99/5,155.59 = 2,057.31/x
3. Step 3: Cross multiply
   3,735.99x = 5,155.59 × 2,057.31
4. Step 4: Simplify right side
   3,735.99x = 10,606,646.86
5. Step 5: Solve for x
   x = 10,606,646.86/3,735.99
6. Step 6: Final answer
   x = 2,839.05