Finding the Fourth Proportional to 16,129.39, 22,258.23 and 9,055.81

Step by Step Solution

1. Step 1: Write the proportion equation
   16,129.39 : 22,258.23 = 9,055.81 : x
2. Step 2: Convert to fraction form
   16,129.39/22,258.23 = 9,055.81/x
3. Step 3: Cross multiply
   16,129.39x = 22,258.23 × 9,055.81
4. Step 4: Simplify right side
   16,129.39x = 201,566,301.82
5. Step 5: Solve for x
   x = 201,566,301.82/16,129.39
6. Step 6: Final answer
   x = 12,496.83