Finding the Fourth Proportional to 10,644.41, 14,689.28 and 5,928.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,644.41 : 14,689.28 = 5,928.69 : x
2. Step 2: Convert to fraction form
   10,644.41/14,689.28 = 5,928.69/x
3. Step 3: Cross multiply
   10,644.41x = 14,689.28 × 5,928.69
4. Step 4: Simplify right side
   10,644.41x = 87,088,257.35
5. Step 5: Solve for x
   x = 87,088,257.35/10,644.41
6. Step 6: Final answer
   x = 8,181.59