Finding the Fourth Proportional to 9,768.85, 13,480.73 and 5,735.61

Step by Step Solution

1. Step 1: Write the proportion equation
   9,768.85 : 13,480.73 = 5,735.61 : x
2. Step 2: Convert to fraction form
   9,768.85/13,480.73 = 5,735.61/x
3. Step 3: Cross multiply
   9,768.85x = 13,480.73 × 5,735.61
4. Step 4: Simplify right side
   9,768.85x = 77,320,209.80
5. Step 5: Solve for x
   x = 77,320,209.80/9,768.85
6. Step 6: Final answer
   x = 7,914.98