Finding the Fourth Proportional to 9,608.32, 13,259.46 and 5,416.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,608.32 : 13,259.46 = 5,416.54 : x
2. Step 2: Convert to fraction form
   9,608.32/13,259.46 = 5,416.54/x
3. Step 3: Cross multiply
   9,608.32x = 13,259.46 × 5,416.54
4. Step 4: Simplify right side
   9,608.32x = 71,820,395.47
5. Step 5: Solve for x
   x = 71,820,395.47/9,608.32
6. Step 6: Final answer
   x = 7,474.81