Finding the Fourth Proportional to 9,853.69, 13,599.24 and 5,605.39

Step by Step Solution

1. Step 1: Write the proportion equation
   9,853.69 : 13,599.24 = 5,605.39 : x
2. Step 2: Convert to fraction form
   9,853.69/13,599.24 = 5,605.39/x
3. Step 3: Cross multiply
   9,853.69x = 13,599.24 × 5,605.39
4. Step 4: Simplify right side
   9,853.69x = 76,229,043.90
5. Step 5: Solve for x
   x = 76,229,043.90/9,853.69
6. Step 6: Final answer
   x = 7,736.09