Finding the Fourth Proportional to 16,738.45, 23,098.86 and 9,664.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,738.45 : 23,098.86 = 9,664.72 : x
2. Step 2: Convert to fraction form
   16,738.45/23,098.86 = 9,664.72/x
3. Step 3: Cross multiply
   16,738.45x = 23,098.86 × 9,664.72
4. Step 4: Simplify right side
   16,738.45x = 223,244,014.22
5. Step 5: Solve for x
   x = 223,244,014.22/16,738.45
6. Step 6: Final answer
   x = 13,337.20