Finding the Fourth Proportional to 1,768.69, 2,652.72 and 673.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,768.69 : 2,652.72 = 673.12 : x
2. Step 2: Convert to fraction form
   1,768.69/2,652.72 = 673.12/x
3. Step 3: Cross multiply
   1,768.69x = 2,652.72 × 673.12
4. Step 4: Simplify right side
   1,768.69x = 1,785,598.89
5. Step 5: Solve for x
   x = 1,785,598.89/1,768.69
6. Step 6: Final answer
   x = 1,009.56