Finding the Fourth Proportional to 1,843.72, 2,764.89 and 673.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,843.72 : 2,764.89 = 673.34 : x
2. Step 2: Convert to fraction form
   1,843.72/2,764.89 = 673.34/x
3. Step 3: Cross multiply
   1,843.72x = 2,764.89 × 673.34
4. Step 4: Simplify right side
   1,843.72x = 1,861,697.21
5. Step 5: Solve for x
   x = 1,861,697.21/1,843.72
6. Step 6: Final answer
   x = 1,009.75