Finding the Fourth Proportional to 2,673.35, 4,009.51 and 824.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,673.35 : 4,009.51 = 824.18 : x
2. Step 2: Convert to fraction form
   2,673.35/4,009.51 = 824.18/x
3. Step 3: Cross multiply
   2,673.35x = 4,009.51 × 824.18
4. Step 4: Simplify right side
   2,673.35x = 3,304,553.83
5. Step 5: Solve for x
   x = 3,304,553.83/2,673.35
6. Step 6: Final answer
   x = 1,236.11