Finding the Fourth Proportional to 9,644.18, 14,466.17 and 7,318.47

Step by Step Solution

1. Step 1: Write the proportion equation
   9,644.18 : 14,466.17 = 7,318.47 : x
2. Step 2: Convert to fraction form
   9,644.18/14,466.17 = 7,318.47/x
3. Step 3: Cross multiply
   9,644.18x = 14,466.17 × 7,318.47
4. Step 4: Simplify right side
   9,644.18x = 105,870,285.62
5. Step 5: Solve for x
   x = 105,870,285.62/9,644.18
6. Step 6: Final answer
   x = 10,977.63