Finding the Fourth Proportional to 2,057.29, 2,839.46 and 1,559.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,057.29 : 2,839.46 = 1,559.06 : x
2. Step 2: Convert to fraction form
   2,057.29/2,839.46 = 1,559.06/x
3. Step 3: Cross multiply
   2,057.29x = 2,839.46 × 1,559.06
4. Step 4: Simplify right side
   2,057.29x = 4,426,878.21
5. Step 5: Solve for x
   x = 4,426,878.21/2,057.29
6. Step 6: Final answer
   x = 2,151.80