Finding the Fourth Proportional to 10,802.08, 16,181.52 and 8,584.62

Step by Step Solution

1. Step 1: Write the proportion equation
   10,802.08 : 16,181.52 = 8,584.62 : x
2. Step 2: Convert to fraction form
   10,802.08/16,181.52 = 8,584.62/x
3. Step 3: Cross multiply
   10,802.08x = 16,181.52 × 8,584.62
4. Step 4: Simplify right side
   10,802.08x = 138,912,200.22
5. Step 5: Solve for x
   x = 138,912,200.22/10,802.08
6. Step 6: Final answer
   x = 12,859.76