Finding the Fourth Proportional to 10,016, 15,006.18 and 8,540.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,016 : 15,006.18 = 8,540.18 : x
2. Step 2: Convert to fraction form
   10,016/15,006.18 = 8,540.18/x
3. Step 3: Cross multiply
   10,016x = 15,006.18 × 8,540.18
4. Step 4: Simplify right side
   10,016x = 128,155,478.31
5. Step 5: Solve for x
   x = 128,155,478.31/10,016
6. Step 6: Final answer
   x = 12,795.08