Finding the Fourth Proportional to 16,440.04, 22,687.21 and 9,366.51

Step by Step Solution

1. Step 1: Write the proportion equation
   16,440.04 : 22,687.21 = 9,366.51 : x
2. Step 2: Convert to fraction form
   16,440.04/22,687.21 = 9,366.51/x
3. Step 3: Cross multiply
   16,440.04x = 22,687.21 × 9,366.51
4. Step 4: Simplify right side
   16,440.04x = 212,499,932.50
5. Step 5: Solve for x
   x = 212,499,932.50/16,440.04
6. Step 6: Final answer
   x = 12,925.76