Finding the Fourth Proportional to 2,060.04, 2,842.78 and 1,128.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,060.04 : 2,842.78 = 1,128.52 : x
2. Step 2: Convert to fraction form
   2,060.04/2,842.78 = 1,128.52/x
3. Step 3: Cross multiply
   2,060.04x = 2,842.78 × 1,128.52
4. Step 4: Simplify right side
   2,060.04x = 3,208,134.09
5. Step 5: Solve for x
   x = 3,208,134.09/2,060.04
6. Step 6: Final answer
   x = 1,557.32