Finding the Fourth Proportional to 8,548.16, 12,805.62 and 5,617.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,548.16 : 12,805.62 = 5,617.56 : x
2. Step 2: Convert to fraction form
   8,548.16/12,805.62 = 5,617.56/x
3. Step 3: Cross multiply
   8,548.16x = 12,805.62 × 5,617.56
4. Step 4: Simplify right side
   8,548.16x = 71,936,338.69
5. Step 5: Solve for x
   x = 71,936,338.69/8,548.16
6. Step 6: Final answer
   x = 8,415.42