Finding the Fourth Proportional to 11,013.72, 15,198.94 and 5,977.94

Step by Step Solution

1. Step 1: Write the proportion equation
   11,013.72 : 15,198.94 = 5,977.94 : x
2. Step 2: Convert to fraction form
   11,013.72/15,198.94 = 5,977.94/x
3. Step 3: Cross multiply
   11,013.72x = 15,198.94 × 5,977.94
4. Step 4: Simplify right side
   11,013.72x = 90,858,283.50
5. Step 5: Solve for x
   x = 90,858,283.50/11,013.72
6. Step 6: Final answer
   x = 8,249.56