Finding the Fourth Proportional to 16,129, 22,258.02 and 9,055.42

Step by Step Solution

1. Step 1: Write the proportion equation
   16,129 : 22,258.02 = 9,055.42 : x
2. Step 2: Convert to fraction form
   16,129/22,258.02 = 9,055.42/x
3. Step 3: Cross multiply
   16,129x = 22,258.02 × 9,055.42
4. Step 4: Simplify right side
   16,129x = 201,555,719.47
5. Step 5: Solve for x
   x = 201,555,719.47/16,129
6. Step 6: Final answer
   x = 12,496.48