Finding the Fourth Proportional to 10,457.57, 14,431.91 and 5,982.73

Step by Step Solution

1. Step 1: Write the proportion equation
   10,457.57 : 14,431.91 = 5,982.73 : x
2. Step 2: Convert to fraction form
   10,457.57/14,431.91 = 5,982.73/x
3. Step 3: Cross multiply
   10,457.57x = 14,431.91 × 5,982.73
4. Step 4: Simplify right side
   10,457.57x = 86,342,154.92
5. Step 5: Solve for x
   x = 86,342,154.92/10,457.57
6. Step 6: Final answer
   x = 8,256.42