Finding the Fourth Proportional to 16,615.09, 22,915.86 and 10,647.32

Step by Step Solution

1. Step 1: Write the proportion equation
   16,615.09 : 22,915.86 = 10,647.32 : x
2. Step 2: Convert to fraction form
   16,615.09/22,915.86 = 10,647.32/x
3. Step 3: Cross multiply
   16,615.09x = 22,915.86 × 10,647.32
4. Step 4: Simplify right side
   16,615.09x = 243,992,399.88
5. Step 5: Solve for x
   x = 243,992,399.88/16,615.09
6. Step 6: Final answer
   x = 14,684.99