Finding the Fourth Proportional to 1,768.59, 2,654.03 and 672.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,768.59 : 2,654.03 = 672.96 : x
2. Step 2: Convert to fraction form
   1,768.59/2,654.03 = 672.96/x
3. Step 3: Cross multiply
   1,768.59x = 2,654.03 × 672.96
4. Step 4: Simplify right side
   1,768.59x = 1,786,061.03
5. Step 5: Solve for x
   x = 1,786,061.03/1,768.59
6. Step 6: Final answer
   x = 1,009.88