Finding the Fourth Proportional to 10,440.41, 14,408.01 and 5,724.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,440.41 : 14,408.01 = 5,724.72 : x
2. Step 2: Convert to fraction form
   10,440.41/14,408.01 = 5,724.72/x
3. Step 3: Cross multiply
   10,440.41x = 14,408.01 × 5,724.72
4. Step 4: Simplify right side
   10,440.41x = 82,481,823.01
5. Step 5: Solve for x
   x = 82,481,823.01/10,440.41
6. Step 6: Final answer
   x = 7,900.25