Finding the Fourth Proportional to 2,514.39, 3,772.83 and 1,128.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,514.39 : 3,772.83 = 1,128.69 : x
2. Step 2: Convert to fraction form
   2,514.39/3,772.83 = 1,128.69/x
3. Step 3: Cross multiply
   2,514.39x = 3,772.83 × 1,128.69
4. Step 4: Simplify right side
   2,514.39x = 4,258,355.49
5. Step 5: Solve for x
   x = 4,258,355.49/2,514.39
6. Step 6: Final answer
   x = 1,693.59