Finding the Fourth Proportional to 10,804.68, 16,211.34 and 3,879.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,804.68 : 16,211.34 = 3,879.72 : x
2. Step 2: Convert to fraction form
   10,804.68/16,211.34 = 3,879.72/x
3. Step 3: Cross multiply
   10,804.68x = 16,211.34 × 3,879.72
4. Step 4: Simplify right side
   10,804.68x = 62,895,460.02
5. Step 5: Solve for x
   x = 62,895,460.02/10,804.68
6. Step 6: Final answer
   x = 5,821.13