Finding the Fourth Proportional to 10,828.69, 16,244.55 and 3,809.63

Step by Step Solution

1. Step 1: Write the proportion equation
   10,828.69 : 16,244.55 = 3,809.63 : x
2. Step 2: Convert to fraction form
   10,828.69/16,244.55 = 3,809.63/x
3. Step 3: Cross multiply
   10,828.69x = 16,244.55 × 3,809.63
4. Step 4: Simplify right side
   10,828.69x = 61,885,765.63
5. Step 5: Solve for x
   x = 61,885,765.63/10,828.69
6. Step 6: Final answer
   x = 5,714.98