Finding the Fourth Proportional to 11,111.89, 16,676.01 and 5,268.49

Step by Step Solution

1. Step 1: Write the proportion equation
   11,111.89 : 16,676.01 = 5,268.49 : x
2. Step 2: Convert to fraction form
   11,111.89/16,676.01 = 5,268.49/x
3. Step 3: Cross multiply
   11,111.89x = 16,676.01 × 5,268.49
4. Step 4: Simplify right side
   11,111.89x = 87,857,391.92
5. Step 5: Solve for x
   x = 87,857,391.92/11,111.89
6. Step 6: Final answer
   x = 7,906.61