Finding the Fourth Proportional to 13,971.69, 20,957.33 and 3,441.83

Step by Step Solution

1. Step 1: Write the proportion equation
   13,971.69 : 20,957.33 = 3,441.83 : x
2. Step 2: Convert to fraction form
   13,971.69/20,957.33 = 3,441.83/x
3. Step 3: Cross multiply
   13,971.69x = 20,957.33 × 3,441.83
4. Step 4: Simplify right side
   13,971.69x = 72,131,470.93
5. Step 5: Solve for x
   x = 72,131,470.93/13,971.69
6. Step 6: Final answer
   x = 5,162.69