Finding the Fourth Proportional to 1,628.89, 2,443.59 and 704.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,628.89 : 2,443.59 = 704.73 : x
2. Step 2: Convert to fraction form
   1,628.89/2,443.59 = 704.73/x
3. Step 3: Cross multiply
   1,628.89x = 2,443.59 × 704.73
4. Step 4: Simplify right side
   1,628.89x = 1,722,071.18
5. Step 5: Solve for x
   x = 1,722,071.18/1,628.89
6. Step 6: Final answer
   x = 1,057.21