Finding the Fourth Proportional to 10,644.23, 14,689.29 and 5,928.59

Step by Step Solution

1. Step 1: Write the proportion equation
   10,644.23 : 14,689.29 = 5,928.59 : x
2. Step 2: Convert to fraction form
   10,644.23/14,689.29 = 5,928.59/x
3. Step 3: Cross multiply
   10,644.23x = 14,689.29 × 5,928.59
4. Step 4: Simplify right side
   10,644.23x = 87,086,704.35
5. Step 5: Solve for x
   x = 87,086,704.35/10,644.23
6. Step 6: Final answer
   x = 8,181.59