Finding the Fourth Proportional to 2,243.78, 3,363.53 and 782.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,243.78 : 3,363.53 = 782.54 : x
2. Step 2: Convert to fraction form
   2,243.78/3,363.53 = 782.54/x
3. Step 3: Cross multiply
   2,243.78x = 3,363.53 × 782.54
4. Step 4: Simplify right side
   2,243.78x = 2,632,081.90
5. Step 5: Solve for x
   x = 2,632,081.90/2,243.78
6. Step 6: Final answer
   x = 1,173.06