Finding the Fourth Proportional to 1,769.76, 2,653.56 and 673.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,769.76 : 2,653.56 = 673.49 : x
2. Step 2: Convert to fraction form
   1,769.76/2,653.56 = 673.49/x
3. Step 3: Cross multiply
   1,769.76x = 2,653.56 × 673.49
4. Step 4: Simplify right side
   1,769.76x = 1,787,152.76
5. Step 5: Solve for x
   x = 1,787,152.76/1,769.76
6. Step 6: Final answer
   x = 1,009.83