Finding the Fourth Proportional to 2,059.75, 2,842.46 and 1,128.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,059.75 : 2,842.46 = 1,128.25 : x
2. Step 2: Convert to fraction form
   2,059.75/2,842.46 = 1,128.25/x
3. Step 3: Cross multiply
   2,059.75x = 2,842.46 × 1,128.25
4. Step 4: Simplify right side
   2,059.75x = 3,207,005.50
5. Step 5: Solve for x
   x = 3,207,005.50/2,059.75
6. Step 6: Final answer
   x = 1,556.99