Finding the Fourth Proportional to 2,060.32, 2,843.24 and 1,128.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,060.32 : 2,843.24 = 1,128.80 : x
2. Step 2: Convert to fraction form
   2,060.32/2,843.24 = 1,128.80/x
3. Step 3: Cross multiply
   2,060.32x = 2,843.24 × 1,128.80
4. Step 4: Simplify right side
   2,060.32x = 3,209,449.31
5. Step 5: Solve for x
   x = 3,209,449.31/2,060.32
6. Step 6: Final answer
   x = 1,557.74