Finding the Fourth Proportional to 10,831.06, 16,247.16 and 3,436.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,831.06 : 16,247.16 = 3,436.10 : x
2. Step 2: Convert to fraction form
   10,831.06/16,247.16 = 3,436.10/x
3. Step 3: Cross multiply
   10,831.06x = 16,247.16 × 3,436.10
4. Step 4: Simplify right side
   10,831.06x = 55,826,907.09
5. Step 5: Solve for x
   x = 55,826,907.09/10,831.06
6. Step 6: Final answer
   x = 5,154.34