Finding the Fourth Proportional to 16,665.54, 23,000.05 and 9,951.12

Step by Step Solution

1. Step 1: Write the proportion equation
   16,665.54 : 23,000.05 = 9,951.12 : x
2. Step 2: Convert to fraction form
   16,665.54/23,000.05 = 9,951.12/x
3. Step 3: Cross multiply
   16,665.54x = 23,000.05 × 9,951.12
4. Step 4: Simplify right side
   16,665.54x = 228,876,142.56
5. Step 5: Solve for x
   x = 228,876,142.56/16,665.54
6. Step 6: Final answer
   x = 13,733.50