Finding the Fourth Proportional to 8,866.49, 12,241.92 and 5,510.81

Step by Step Solution

1. Step 1: Write the proportion equation
   8,866.49 : 12,241.92 = 5,510.81 : x
2. Step 2: Convert to fraction form
   8,866.49/12,241.92 = 5,510.81/x
3. Step 3: Cross multiply
   8,866.49x = 12,241.92 × 5,510.81
4. Step 4: Simplify right side
   8,866.49x = 67,462,833.95
5. Step 5: Solve for x
   x = 67,462,833.95/8,866.49
6. Step 6: Final answer
   x = 7,608.75