Finding the Fourth Proportional to 10,644.72, 14,691 and 5,929.68

Step by Step Solution

1. Step 1: Write the proportion equation
   10,644.72 : 14,691 = 5,929.68 : x
2. Step 2: Convert to fraction form
   10,644.72/14,691 = 5,929.68/x
3. Step 3: Cross multiply
   10,644.72x = 14,691 × 5,929.68
4. Step 4: Simplify right side
   10,644.72x = 87,112,928.88
5. Step 5: Solve for x
   x = 87,112,928.88/10,644.72
6. Step 6: Final answer
   x = 8,183.67