Finding the Fourth Proportional to 10,852.80, 16,280.49 and 3,831.37

Step by Step Solution

1. Step 1: Write the proportion equation
   10,852.80 : 16,280.49 = 3,831.37 : x
2. Step 2: Convert to fraction form
   10,852.80/16,280.49 = 3,831.37/x
3. Step 3: Cross multiply
   10,852.80x = 16,280.49 × 3,831.37
4. Step 4: Simplify right side
   10,852.80x = 62,376,554.64
5. Step 5: Solve for x
   x = 62,376,554.64/10,852.80
6. Step 6: Final answer
   x = 5,747.51