Finding the Fourth Proportional to 10,831.02, 16,253.73 and 3,811.02

Step by Step Solution

1. Step 1: Write the proportion equation
   10,831.02 : 16,253.73 = 3,811.02 : x
2. Step 2: Convert to fraction form
   10,831.02/16,253.73 = 3,811.02/x
3. Step 3: Cross multiply
   10,831.02x = 16,253.73 × 3,811.02
4. Step 4: Simplify right side
   10,831.02x = 61,943,290.10
5. Step 5: Solve for x
   x = 61,943,290.10/10,831.02
6. Step 6: Final answer
   x = 5,719.06