Finding the Fourth Proportional to 8,592.14, 12,866.34 and 5,661.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,592.14 : 12,866.34 = 5,661.56 : x
2. Step 2: Convert to fraction form
   8,592.14/12,866.34 = 5,661.56/x
3. Step 3: Cross multiply
   8,592.14x = 12,866.34 × 5,661.56
4. Step 4: Simplify right side
   8,592.14x = 72,843,555.89
5. Step 5: Solve for x
   x = 72,843,555.89/8,592.14
6. Step 6: Final answer
   x = 8,477.93