Finding the Fourth Proportional to 16,706.16, 23,054.88 and 9,152.64

Step by Step Solution

1. Step 1: Write the proportion equation
   16,706.16 : 23,054.88 = 9,152.64 : x
2. Step 2: Convert to fraction form
   16,706.16/23,054.88 = 9,152.64/x
3. Step 3: Cross multiply
   16,706.16x = 23,054.88 × 9,152.64
4. Step 4: Simplify right side
   16,706.16x = 211,013,016.88
5. Step 5: Solve for x
   x = 211,013,016.88/16,706.16
6. Step 6: Final answer
   x = 12,630.85