Finding the Fourth Proportional to 2,060.09, 2,843 and 1,128.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,060.09 : 2,843 = 1,128.59 : x
2. Step 2: Convert to fraction form
   2,060.09/2,843 = 1,128.59/x
3. Step 3: Cross multiply
   2,060.09x = 2,843 × 1,128.59
4. Step 4: Simplify right side
   2,060.09x = 3,208,581.37
5. Step 5: Solve for x
   x = 3,208,581.37/2,060.09
6. Step 6: Final answer
   x = 1,557.50