Finding the Fourth Proportional to 10,831.42, 16,247.02 and 3,435.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,831.42 : 16,247.02 = 3,435.69 : x
2. Step 2: Convert to fraction form
   10,831.42/16,247.02 = 3,435.69/x
3. Step 3: Cross multiply
   10,831.42x = 16,247.02 × 3,435.69
4. Step 4: Simplify right side
   10,831.42x = 55,819,724.14
5. Step 5: Solve for x
   x = 55,819,724.14/10,831.42
6. Step 6: Final answer
   x = 5,153.50