Finding the Fourth Proportional to 2,269.31, 3,131.35 and 1,324.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,269.31 : 3,131.35 = 1,324.94 : x
2. Step 2: Convert to fraction form
   2,269.31/3,131.35 = 1,324.94/x
3. Step 3: Cross multiply
   2,269.31x = 3,131.35 × 1,324.94
4. Step 4: Simplify right side
   2,269.31x = 4,148,831.90
5. Step 5: Solve for x
   x = 4,148,831.90/2,269.31
6. Step 6: Final answer
   x = 1,828.24