Finding the Fourth Proportional to 10,644.53, 14,689.90 and 5,928.81

Step by Step Solution

1. Step 1: Write the proportion equation
   10,644.53 : 14,689.90 = 5,928.81 : x
2. Step 2: Convert to fraction form
   10,644.53/14,689.90 = 5,928.81/x
3. Step 3: Cross multiply
   10,644.53x = 14,689.90 × 5,928.81
4. Step 4: Simplify right side
   10,644.53x = 87,093,626.02
5. Step 5: Solve for x
   x = 87,093,626.02/10,644.53
6. Step 6: Final answer
   x = 8,182.01