Finding the Fourth Proportional to 16,061.63, 22,165.04 and 8,989.41

Step by Step Solution

1. Step 1: Write the proportion equation
   16,061.63 : 22,165.04 = 8,989.41 : x
2. Step 2: Convert to fraction form
   16,061.63/22,165.04 = 8,989.41/x
3. Step 3: Cross multiply
   16,061.63x = 22,165.04 × 8,989.41
4. Step 4: Simplify right side
   16,061.63x = 199,250,737.82
5. Step 5: Solve for x
   x = 199,250,737.82/16,061.63
6. Step 6: Final answer
   x = 12,405.39