Finding the Fourth Proportional to 9,768.98, 13,481.16 and 5,292.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,768.98 : 13,481.16 = 5,292.72 : x
2. Step 2: Convert to fraction form
   9,768.98/13,481.16 = 5,292.72/x
3. Step 3: Cross multiply
   9,768.98x = 13,481.16 × 5,292.72
4. Step 4: Simplify right side
   9,768.98x = 71,352,005.16
5. Step 5: Solve for x
   x = 71,352,005.16/9,768.98
6. Step 6: Final answer
   x = 7,303.94