Finding the Fourth Proportional to 16,222.59, 22,385.84 and 9,150.75

Step by Step Solution

1. Step 1: Write the proportion equation
   16,222.59 : 22,385.84 = 9,150.75 : x
2. Step 2: Convert to fraction form
   16,222.59/22,385.84 = 9,150.75/x
3. Step 3: Cross multiply
   16,222.59x = 22,385.84 × 9,150.75
4. Step 4: Simplify right side
   16,222.59x = 204,847,179.63
5. Step 5: Solve for x
   x = 204,847,179.63/16,222.59
6. Step 6: Final answer
   x = 12,627.28