Finding the Fourth Proportional to 2,433.27, 3,648.11 and 971.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,433.27 : 3,648.11 = 971.31 : x
2. Step 2: Convert to fraction form
   2,433.27/3,648.11 = 971.31/x
3. Step 3: Cross multiply
   2,433.27x = 3,648.11 × 971.31
4. Step 4: Simplify right side
   2,433.27x = 3,543,440.87
5. Step 5: Solve for x
   x = 3,543,440.87/2,433.27
6. Step 6: Final answer
   x = 1,456.25