Finding the Fourth Proportional to 8,562.36, 12,870.27 and 5,659.32

Step by Step Solution

1. Step 1: Write the proportion equation
   8,562.36 : 12,870.27 = 5,659.32 : x
2. Step 2: Convert to fraction form
   8,562.36/12,870.27 = 5,659.32/x
3. Step 3: Cross multiply
   8,562.36x = 12,870.27 × 5,659.32
4. Step 4: Simplify right side
   8,562.36x = 72,836,976.42
5. Step 5: Solve for x
   x = 72,836,976.42/8,562.36
6. Step 6: Final answer
   x = 8,506.65