Finding the Fourth Proportional to 9,608.16, 13,259.99 and 5,360.59

Step by Step Solution

1. Step 1: Write the proportion equation
   9,608.16 : 13,259.99 = 5,360.59 : x
2. Step 2: Convert to fraction form
   9,608.16/13,259.99 = 5,360.59/x
3. Step 3: Cross multiply
   9,608.16x = 13,259.99 × 5,360.59
4. Step 4: Simplify right side
   9,608.16x = 71,081,369.79
5. Step 5: Solve for x
   x = 71,081,369.79/9,608.16
6. Step 6: Final answer
   x = 7,398.02