Finding the Fourth Proportional to 9,696.20, 14,499.35 and 7,356.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,696.20 : 14,499.35 = 7,356.72 : x
2. Step 2: Convert to fraction form
   9,696.20/14,499.35 = 7,356.72/x
3. Step 3: Cross multiply
   9,696.20x = 14,499.35 × 7,356.72
4. Step 4: Simplify right side
   9,696.20x = 106,667,621.35
5. Step 5: Solve for x
   x = 106,667,621.35/9,696.20
6. Step 6: Final answer
   x = 11,000.97