Finding the Fourth Proportional to 11,892, 16,410.79 and 6,856.23

Step by Step Solution

1. Step 1: Write the proportion equation
   11,892 : 16,410.79 = 6,856.23 : x
2. Step 2: Convert to fraction form
   11,892/16,410.79 = 6,856.23/x
3. Step 3: Cross multiply
   11,892x = 16,410.79 × 6,856.23
4. Step 4: Simplify right side
   11,892x = 112,516,150.72
5. Step 5: Solve for x
   x = 112,516,150.72/11,892
6. Step 6: Final answer
   x = 9,461.50