Finding the Fourth Proportional to 9,608.63, 13,259.91 and 5,359.37

Step by Step Solution

1. Step 1: Write the proportion equation
   9,608.63 : 13,259.91 = 5,359.37 : x
2. Step 2: Convert to fraction form
   9,608.63/13,259.91 = 5,359.37/x
3. Step 3: Cross multiply
   9,608.63x = 13,259.91 × 5,359.37
4. Step 4: Simplify right side
   9,608.63x = 71,064,763.86
5. Step 5: Solve for x
   x = 71,064,763.86/9,608.63
6. Step 6: Final answer
   x = 7,395.93