Finding the Fourth Proportional to 1,093.51, 1,509.42 and 673.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,093.51 : 1,509.42 = 673.89 : x
2. Step 2: Convert to fraction form
   1,093.51/1,509.42 = 673.89/x
3. Step 3: Cross multiply
   1,093.51x = 1,509.42 × 673.89
4. Step 4: Simplify right side
   1,093.51x = 1,017,183.04
5. Step 5: Solve for x
   x = 1,017,183.04/1,093.51
6. Step 6: Final answer
   x = 930.20