Finding the Fourth Proportional to 10,644.56, 14,678.36 and 7,951.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,644.56 : 14,678.36 = 7,951.56 : x
2. Step 2: Convert to fraction form
   10,644.56/14,678.36 = 7,951.56/x
3. Step 3: Cross multiply
   10,644.56x = 14,678.36 × 7,951.56
4. Step 4: Simplify right side
   10,644.56x = 116,715,922.55
5. Step 5: Solve for x
   x = 116,715,922.55/10,644.56
6. Step 6: Final answer
   x = 10,964.84