Finding the Fourth Proportional to 16,128.27, 22,253.10 and 9,410.06

Step by Step Solution

1. Step 1: Write the proportion equation
   16,128.27 : 22,253.10 = 9,410.06 : x
2. Step 2: Convert to fraction form
   16,128.27/22,253.10 = 9,410.06/x
3. Step 3: Cross multiply
   16,128.27x = 22,253.10 × 9,410.06
4. Step 4: Simplify right side
   16,128.27x = 209,402,894.92
5. Step 5: Solve for x
   x = 209,402,894.92/16,128.27
6. Step 6: Final answer
   x = 12,983.59