Finding the Fourth Proportional to 2,060, 2,842.86 and 1,128.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,060 : 2,842.86 = 1,128.56 : x
2. Step 2: Convert to fraction form
   2,060/2,842.86 = 1,128.56/x
3. Step 3: Cross multiply
   2,060x = 2,842.86 × 1,128.56
4. Step 4: Simplify right side
   2,060x = 3,208,338.08
5. Step 5: Solve for x
   x = 3,208,338.08/2,060
6. Step 6: Final answer
   x = 1,557.45