Finding the Fourth Proportional to 11,736.43, 16,196.22 and 6,431.27

Step by Step Solution

1. Step 1: Write the proportion equation
   11,736.43 : 16,196.22 = 6,431.27 : x
2. Step 2: Convert to fraction form
   11,736.43/16,196.22 = 6,431.27/x
3. Step 3: Cross multiply
   11,736.43x = 16,196.22 × 6,431.27
4. Step 4: Simplify right side
   11,736.43x = 104,162,182.82
5. Step 5: Solve for x
   x = 104,162,182.82/11,736.43
6. Step 6: Final answer
   x = 8,875.12