Finding the Fourth Proportional to 10,857.67, 16,286.64 and 3,462.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,857.67 : 16,286.64 = 3,462.10 : x
2. Step 2: Convert to fraction form
   10,857.67/16,286.64 = 3,462.10/x
3. Step 3: Cross multiply
   10,857.67x = 16,286.64 × 3,462.10
4. Step 4: Simplify right side
   10,857.67x = 56,385,976.34
5. Step 5: Solve for x
   x = 56,385,976.34/10,857.67
6. Step 6: Final answer
   x = 5,193.19