Finding the Fourth Proportional to 2,673.83, 4,011.17 and 824.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,673.83 : 4,011.17 = 824.55 : x
2. Step 2: Convert to fraction form
   2,673.83/4,011.17 = 824.55/x
3. Step 3: Cross multiply
   2,673.83x = 4,011.17 × 824.55
4. Step 4: Simplify right side
   2,673.83x = 3,307,406.10
5. Step 5: Solve for x
   x = 3,307,406.10/2,673.83
6. Step 6: Final answer
   x = 1,236.96