Finding the Fourth Proportional to 1,065.09, 1,594.96 and 673.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,065.09 : 1,594.96 = 673.91 : x
2. Step 2: Convert to fraction form
   1,065.09/1,594.96 = 673.91/x
3. Step 3: Cross multiply
   1,065.09x = 1,594.96 × 673.91
4. Step 4: Simplify right side
   1,065.09x = 1,074,849.83
5. Step 5: Solve for x
   x = 1,074,849.83/1,065.09
6. Step 6: Final answer
   x = 1,009.16