Finding the Fourth Proportional to 9,836.39, 13,573.71 and 5,359.85

Step by Step Solution

1. Step 1: Write the proportion equation
   9,836.39 : 13,573.71 = 5,359.85 : x
2. Step 2: Convert to fraction form
   9,836.39/13,573.71 = 5,359.85/x
3. Step 3: Cross multiply
   9,836.39x = 13,573.71 × 5,359.85
4. Step 4: Simplify right side
   9,836.39x = 72,753,049.54
5. Step 5: Solve for x
   x = 72,753,049.54/9,836.39
6. Step 6: Final answer
   x = 7,396.32