Finding the Fourth Proportional to 11,087.28, 16,638.16 and 5,896.80

Step by Step Solution

1. Step 1: Write the proportion equation
   11,087.28 : 16,638.16 = 5,896.80 : x
2. Step 2: Convert to fraction form
   11,087.28/16,638.16 = 5,896.80/x
3. Step 3: Cross multiply
   11,087.28x = 16,638.16 × 5,896.80
4. Step 4: Simplify right side
   11,087.28x = 98,111,901.89
5. Step 5: Solve for x
   x = 98,111,901.89/11,087.28
6. Step 6: Final answer
   x = 8,849.05