Finding the Fourth Proportional to 10,685.94, 16,032.56 and 5,756.09

Step by Step Solution

1. Step 1: Write the proportion equation
   10,685.94 : 16,032.56 = 5,756.09 : x
2. Step 2: Convert to fraction form
   10,685.94/16,032.56 = 5,756.09/x
3. Step 3: Cross multiply
   10,685.94x = 16,032.56 × 5,756.09
4. Step 4: Simplify right side
   10,685.94x = 92,284,749.35
5. Step 5: Solve for x
   x = 92,284,749.35/10,685.94
6. Step 6: Final answer
   x = 8,636.09