Finding the Fourth Proportional to 9,608.96, 13,259.85 and 5,416.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,608.96 : 13,259.85 = 5,416.94 : x
2. Step 2: Convert to fraction form
   9,608.96/13,259.85 = 5,416.94/x
3. Step 3: Cross multiply
   9,608.96x = 13,259.85 × 5,416.94
4. Step 4: Simplify right side
   9,608.96x = 71,827,811.86
5. Step 5: Solve for x
   x = 71,827,811.86/9,608.96
6. Step 6: Final answer
   x = 7,475.09