Finding the Fourth Proportional to 9,608.59, 13,261.67 and 5,416.84

Step by Step Solution

1. Step 1: Write the proportion equation
   9,608.59 : 13,261.67 = 5,416.84 : x
2. Step 2: Convert to fraction form
   9,608.59/13,261.67 = 5,416.84/x
3. Step 3: Cross multiply
   9,608.59x = 13,261.67 × 5,416.84
4. Step 4: Simplify right side
   9,608.59x = 71,836,344.52
5. Step 5: Solve for x
   x = 71,836,344.52/9,608.59
6. Step 6: Final answer
   x = 7,476.26