Finding the Fourth Proportional to 3,736.28, 5,155.89 and 2,057.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,736.28 : 5,155.89 = 2,057.76 : x
2. Step 2: Convert to fraction form
   3,736.28/5,155.89 = 2,057.76/x
3. Step 3: Cross multiply
   3,736.28x = 5,155.89 × 2,057.76
4. Step 4: Simplify right side
   3,736.28x = 10,609,563.60
5. Step 5: Solve for x
   x = 10,609,563.60/3,736.28
6. Step 6: Final answer
   x = 2,839.61