Finding the Fourth Proportional to 2,059.63, 2,842.28 and 1,128.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,059.63 : 2,842.28 = 1,128.13 : x
2. Step 2: Convert to fraction form
   2,059.63/2,842.28 = 1,128.13/x
3. Step 3: Cross multiply
   2,059.63x = 2,842.28 × 1,128.13
4. Step 4: Simplify right side
   2,059.63x = 3,206,461.34
5. Step 5: Solve for x
   x = 3,206,461.34/2,059.63
6. Step 6: Final answer
   x = 1,556.81