Finding the Fourth Proportional to 8,659.37, 13,009.86 and 5,545.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,659.37 : 13,009.86 = 5,545.42 : x
2. Step 2: Convert to fraction form
   8,659.37/13,009.86 = 5,545.42/x
3. Step 3: Cross multiply
   8,659.37x = 13,009.86 × 5,545.42
4. Step 4: Simplify right side
   8,659.37x = 72,145,105.32
5. Step 5: Solve for x
   x = 72,145,105.32/8,659.37
6. Step 6: Final answer
   x = 8,331.45