Finding the Fourth Proportional to 10,406.48, 15,610.74 and 3,831.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,406.48 : 15,610.74 = 3,831.12 : x
2. Step 2: Convert to fraction form
   10,406.48/15,610.74 = 3,831.12/x
3. Step 3: Cross multiply
   10,406.48x = 15,610.74 × 3,831.12
4. Step 4: Simplify right side
   10,406.48x = 59,806,653.15
5. Step 5: Solve for x
   x = 59,806,653.15/10,406.48
6. Step 6: Final answer
   x = 5,747.06