Finding the Fourth Proportional to 2,060.34, 2,843.28 and 1,128.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,060.34 : 2,843.28 = 1,128.84 : x
2. Step 2: Convert to fraction form
   2,060.34/2,843.28 = 1,128.84/x
3. Step 3: Cross multiply
   2,060.34x = 2,843.28 × 1,128.84
4. Step 4: Simplify right side
   2,060.34x = 3,209,608.20
5. Step 5: Solve for x
   x = 3,209,608.20/2,060.34
6. Step 6: Final answer
   x = 1,557.81