Finding the Fourth Proportional to 16,258.77, 22,437.54 and 9,185.22

Step by Step Solution

1. Step 1: Write the proportion equation
   16,258.77 : 22,437.54 = 9,185.22 : x
2. Step 2: Convert to fraction form
   16,258.77/22,437.54 = 9,185.22/x
3. Step 3: Cross multiply
   16,258.77x = 22,437.54 × 9,185.22
4. Step 4: Simplify right side
   16,258.77x = 206,093,741.16
5. Step 5: Solve for x
   x = 206,093,741.16/16,258.77
6. Step 6: Final answer
   x = 12,675.85