Finding the Fourth Proportional to 10,825.39, 14,939.01 and 5,857.39

Step by Step Solution

1. Step 1: Write the proportion equation
   10,825.39 : 14,939.01 = 5,857.39 : x
2. Step 2: Convert to fraction form
   10,825.39/14,939.01 = 5,857.39/x
3. Step 3: Cross multiply
   10,825.39x = 14,939.01 × 5,857.39
4. Step 4: Simplify right side
   10,825.39x = 87,503,607.78
5. Step 5: Solve for x
   x = 87,503,607.78/10,825.39
6. Step 6: Final answer
   x = 8,083.18