Finding the Fourth Proportional to 9,608.46, 13,259.88 and 5,359.74

Step by Step Solution

1. Step 1: Write the proportion equation
   9,608.46 : 13,259.88 = 5,359.74 : x
2. Step 2: Convert to fraction form
   9,608.46/13,259.88 = 5,359.74/x
3. Step 3: Cross multiply
   9,608.46x = 13,259.88 × 5,359.74
4. Step 4: Simplify right side
   9,608.46x = 71,069,509.23
5. Step 5: Solve for x
   x = 71,069,509.23/9,608.46
6. Step 6: Final answer
   x = 7,396.56