Finding the Fourth Proportional to 11,013.30, 15,198.42 and 5,977.61

Step by Step Solution

1. Step 1: Write the proportion equation
   11,013.30 : 15,198.42 = 5,977.61 : x
2. Step 2: Convert to fraction form
   11,013.30/15,198.42 = 5,977.61/x
3. Step 3: Cross multiply
   11,013.30x = 15,198.42 × 5,977.61
4. Step 4: Simplify right side
   11,013.30x = 90,850,151.38
5. Step 5: Solve for x
   x = 90,850,151.38/11,013.30
6. Step 6: Final answer
   x = 8,249.13