Finding the Fourth Proportional to 2,672.94, 4,009.52 and 824.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,672.94 : 4,009.52 = 824.05 : x
2. Step 2: Convert to fraction form
   2,672.94/4,009.52 = 824.05/x
3. Step 3: Cross multiply
   2,672.94x = 4,009.52 × 824.05
4. Step 4: Simplify right side
   2,672.94x = 3,304,044.96
5. Step 5: Solve for x
   x = 3,304,044.96/2,672.94
6. Step 6: Final answer
   x = 1,236.11