Finding the Fourth Proportional to 9,608.49, 13,259.16 and 5,359.95

Step by Step Solution

1. Step 1: Write the proportion equation
   9,608.49 : 13,259.16 = 5,359.95 : x
2. Step 2: Convert to fraction form
   9,608.49/13,259.16 = 5,359.95/x
3. Step 3: Cross multiply
   9,608.49x = 13,259.16 × 5,359.95
4. Step 4: Simplify right side
   9,608.49x = 71,068,434.64
5. Step 5: Solve for x
   x = 71,068,434.64/9,608.49
6. Step 6: Final answer
   x = 7,396.42