Finding the Fourth Proportional to 9,768.72, 14,636.52 and 6,981.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,768.72 : 14,636.52 = 6,981.24 : x
2. Step 2: Convert to fraction form
   9,768.72/14,636.52 = 6,981.24/x
3. Step 3: Cross multiply
   9,768.72x = 14,636.52 × 6,981.24
4. Step 4: Simplify right side
   9,768.72x = 102,181,058.88
5. Step 5: Solve for x
   x = 102,181,058.88/9,768.72
6. Step 6: Final answer
   x = 10,460.03