Finding the Fourth Proportional to 16,018.61, 22,106.12 and 8,945.48

Step by Step Solution

1. Step 1: Write the proportion equation
   16,018.61 : 22,106.12 = 8,945.48 : x
2. Step 2: Convert to fraction form
   16,018.61/22,106.12 = 8,945.48/x
3. Step 3: Cross multiply
   16,018.61x = 22,106.12 × 8,945.48
4. Step 4: Simplify right side
   16,018.61x = 197,749,864.88
5. Step 5: Solve for x
   x = 197,749,864.88/16,018.61
6. Step 6: Final answer
   x = 12,345.01