Finding the Fourth Proportional to 2,270.63, 3,403.42 and 883.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,270.63 : 3,403.42 = 883.31 : x
2. Step 2: Convert to fraction form
   2,270.63/3,403.42 = 883.31/x
3. Step 3: Cross multiply
   2,270.63x = 3,403.42 × 883.31
4. Step 4: Simplify right side
   2,270.63x = 3,006,255.69
5. Step 5: Solve for x
   x = 3,006,255.69/2,270.63
6. Step 6: Final answer
   x = 1,323.97