Finding the Fourth Proportional to 11,101.54, 16,637.72 and 5,259.82

Step by Step Solution

1. Step 1: Write the proportion equation
   11,101.54 : 16,637.72 = 5,259.82 : x
2. Step 2: Convert to fraction form
   11,101.54/16,637.72 = 5,259.82/x
3. Step 3: Cross multiply
   11,101.54x = 16,637.72 × 5,259.82
4. Step 4: Simplify right side
   11,101.54x = 87,511,383.97
5. Step 5: Solve for x
   x = 87,511,383.97/11,101.54
6. Step 6: Final answer
   x = 7,882.82