Finding the Fourth Proportional to 16,219.94, 22,383.47 and 9,146.31

Step by Step Solution

1. Step 1: Write the proportion equation
   16,219.94 : 22,383.47 = 9,146.31 : x
2. Step 2: Convert to fraction form
   16,219.94/22,383.47 = 9,146.31/x
3. Step 3: Cross multiply
   16,219.94x = 22,383.47 × 9,146.31
4. Step 4: Simplify right side
   16,219.94x = 204,726,094.42
5. Step 5: Solve for x
   x = 204,726,094.42/16,219.94
6. Step 6: Final answer
   x = 12,621.88