Finding the Fourth Proportional to 9,608.07, 13,259.12 and 5,416.29

Step by Step Solution

1. Step 1: Write the proportion equation
   9,608.07 : 13,259.12 = 5,416.29 : x
2. Step 2: Convert to fraction form
   9,608.07/13,259.12 = 5,416.29/x
3. Step 3: Cross multiply
   9,608.07x = 13,259.12 × 5,416.29
4. Step 4: Simplify right side
   9,608.07x = 71,815,211.98
5. Step 5: Solve for x
   x = 71,815,211.98/9,608.07
6. Step 6: Final answer
   x = 7,474.47