Finding the Fourth Proportional to 11,046.69, 16,578.80 and 5,783.31

Step by Step Solution

1. Step 1: Write the proportion equation
   11,046.69 : 16,578.80 = 5,783.31 : x
2. Step 2: Convert to fraction form
   11,046.69/16,578.80 = 5,783.31/x
3. Step 3: Cross multiply
   11,046.69x = 16,578.80 × 5,783.31
4. Step 4: Simplify right side
   11,046.69x = 95,880,310.91
5. Step 5: Solve for x
   x = 95,880,310.91/11,046.69
6. Step 6: Final answer
   x = 8,679.55