Finding the Fourth Proportional to 2,059.56, 2,842.27 and 1,128.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,059.56 : 2,842.27 = 1,128.06 : x
2. Step 2: Convert to fraction form
   2,059.56/2,842.27 = 1,128.06/x
3. Step 3: Cross multiply
   2,059.56x = 2,842.27 × 1,128.06
4. Step 4: Simplify right side
   2,059.56x = 3,206,251.10
5. Step 5: Solve for x
   x = 3,206,251.10/2,059.56
6. Step 6: Final answer
   x = 1,556.77