Finding the Fourth Proportional to 8,045.94, 11,997.57 and 7,509.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,045.94 : 11,997.57 = 7,509.72 : x
2. Step 2: Convert to fraction form
   8,045.94/11,997.57 = 7,509.72/x
3. Step 3: Cross multiply
   8,045.94x = 11,997.57 × 7,509.72
4. Step 4: Simplify right side
   8,045.94x = 90,098,391.38
5. Step 5: Solve for x
   x = 90,098,391.38/8,045.94
6. Step 6: Final answer
   x = 11,197.99