Finding the Fourth Proportional to 10,826.46, 16,233.62 and 3,429.54

Step by Step Solution

1. Step 1: Write the proportion equation
   10,826.46 : 16,233.62 = 3,429.54 : x
2. Step 2: Convert to fraction form
   10,826.46/16,233.62 = 3,429.54/x
3. Step 3: Cross multiply
   10,826.46x = 16,233.62 × 3,429.54
4. Step 4: Simplify right side
   10,826.46x = 55,673,831.99
5. Step 5: Solve for x
   x = 55,673,831.99/10,826.46
6. Step 6: Final answer
   x = 5,142.39