Finding the Fourth Proportional to 16,710.12, 23,060.88 and 9,156.24

Step by Step Solution

1. Step 1: Write the proportion equation
   16,710.12 : 23,060.88 = 9,156.24 : x
2. Step 2: Convert to fraction form
   16,710.12/23,060.88 = 9,156.24/x
3. Step 3: Cross multiply
   16,710.12x = 23,060.88 × 9,156.24
4. Step 4: Simplify right side
   16,710.12x = 211,150,951.89
5. Step 5: Solve for x
   x = 211,150,951.89/16,710.12
6. Step 6: Final answer
   x = 12,636.11