Finding the Fourth Proportional to 16,227.86, 22,389.18 and 9,056.60

Step by Step Solution

1. Step 1: Write the proportion equation
   16,227.86 : 22,389.18 = 9,056.60 : x
2. Step 2: Convert to fraction form
   16,227.86/22,389.18 = 9,056.60/x
3. Step 3: Cross multiply
   16,227.86x = 22,389.18 × 9,056.60
4. Step 4: Simplify right side
   16,227.86x = 202,769,847.59
5. Step 5: Solve for x
   x = 202,769,847.59/16,227.86
6. Step 6: Final answer
   x = 12,495.17