Finding the Fourth Proportional to 1,828.42, 2,740.47 and 672.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,828.42 : 2,740.47 = 672.82 : x
2. Step 2: Convert to fraction form
   1,828.42/2,740.47 = 672.82/x
3. Step 3: Cross multiply
   1,828.42x = 2,740.47 × 672.82
4. Step 4: Simplify right side
   1,828.42x = 1,843,843.03
5. Step 5: Solve for x
   x = 1,843,843.03/1,828.42
6. Step 6: Final answer
   x = 1,008.44