Finding the Fourth Proportional to 10,453.69, 15,681.98 and 3,879.33

Step by Step Solution

1. Step 1: Write the proportion equation
   10,453.69 : 15,681.98 = 3,879.33 : x
2. Step 2: Convert to fraction form
   10,453.69/15,681.98 = 3,879.33/x
3. Step 3: Cross multiply
   10,453.69x = 15,681.98 × 3,879.33
4. Step 4: Simplify right side
   10,453.69x = 60,835,575.47
5. Step 5: Solve for x
   x = 60,835,575.47/10,453.69
6. Step 6: Final answer
   x = 5,819.53