Finding the Fourth Proportional to 2,672.25, 4,008.41 and 823.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,672.25 : 4,008.41 = 823.35 : x
2. Step 2: Convert to fraction form
   2,672.25/4,008.41 = 823.35/x
3. Step 3: Cross multiply
   2,672.25x = 4,008.41 × 823.35
4. Step 4: Simplify right side
   2,672.25x = 3,300,333.37
5. Step 5: Solve for x
   x = 3,300,333.37/2,672.25
6. Step 6: Final answer
   x = 1,235.04