Finding the Fourth Proportional to 2,243.52, 3,365.27 and 782.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,243.52 : 3,365.27 = 782.31 : x
2. Step 2: Convert to fraction form
   2,243.52/3,365.27 = 782.31/x
3. Step 3: Cross multiply
   2,243.52x = 3,365.27 × 782.31
4. Step 4: Simplify right side
   2,243.52x = 2,632,680.46
5. Step 5: Solve for x
   x = 2,632,680.46/2,243.52
6. Step 6: Final answer
   x = 1,173.46