Finding the Fourth Proportional to 10,926.27, 16,389.59 and 3,135.11

Step by Step Solution

1. Step 1: Write the proportion equation
   10,926.27 : 16,389.59 = 3,135.11 : x
2. Step 2: Convert to fraction form
   10,926.27/16,389.59 = 3,135.11/x
3. Step 3: Cross multiply
   10,926.27x = 16,389.59 × 3,135.11
4. Step 4: Simplify right side
   10,926.27x = 51,383,069.88
5. Step 5: Solve for x
   x = 51,383,069.88/10,926.27
6. Step 6: Final answer
   x = 4,702.71