Finding the Fourth Proportional to 10,786.01, 16,179.01 and 3,391.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,786.01 : 16,179.01 = 3,391.12 : x
2. Step 2: Convert to fraction form
   10,786.01/16,179.01 = 3,391.12/x
3. Step 3: Cross multiply
   10,786.01x = 16,179.01 × 3,391.12
4. Step 4: Simplify right side
   10,786.01x = 54,864,915.47
5. Step 5: Solve for x
   x = 54,864,915.47/10,786.01
6. Step 6: Final answer
   x = 5,086.67