Finding the Fourth Proportional to 16,602.94, 22,912.04 and 9,150.94

Step by Step Solution

1. Step 1: Write the proportion equation
   16,602.94 : 22,912.04 = 9,150.94 : x
2. Step 2: Convert to fraction form
   16,602.94/22,912.04 = 9,150.94/x
3. Step 3: Cross multiply
   16,602.94x = 22,912.04 × 9,150.94
4. Step 4: Simplify right side
   16,602.94x = 209,666,588.76
5. Step 5: Solve for x
   x = 209,666,588.76/16,602.94
6. Step 6: Final answer
   x = 12,628.28