Finding the Fourth Proportional to 9,128.09, 12,596.85 and 5,984.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,128.09 : 12,596.85 = 5,984.25 : x
2. Step 2: Convert to fraction form
   9,128.09/12,596.85 = 5,984.25/x
3. Step 3: Cross multiply
   9,128.09x = 12,596.85 × 5,984.25
4. Step 4: Simplify right side
   9,128.09x = 75,382,699.61
5. Step 5: Solve for x
   x = 75,382,699.61/9,128.09
6. Step 6: Final answer
   x = 8,258.33