Finding the Fourth Proportional to 8,007.63, 11,049.73 and 5,491.89

Step by Step Solution

1. Step 1: Write the proportion equation
   8,007.63 : 11,049.73 = 5,491.89 : x
2. Step 2: Convert to fraction form
   8,007.63/11,049.73 = 5,491.89/x
3. Step 3: Cross multiply
   8,007.63x = 11,049.73 × 5,491.89
4. Step 4: Simplify right side
   8,007.63x = 60,683,901.69
5. Step 5: Solve for x
   x = 60,683,901.69/8,007.63
6. Step 6: Final answer
   x = 7,578.26