Finding the Fourth Proportional to 2,773.24, 4,161.78 and 1,233.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,773.24 : 4,161.78 = 1,233.40 : x
2. Step 2: Convert to fraction form
   2,773.24/4,161.78 = 1,233.40/x
3. Step 3: Cross multiply
   2,773.24x = 4,161.78 × 1,233.40
4. Step 4: Simplify right side
   2,773.24x = 5,133,139.45
5. Step 5: Solve for x
   x = 5,133,139.45/2,773.24
6. Step 6: Final answer
   x = 1,850.95