Finding the Fourth Proportional to 16,262.58, 22,443.70 and 9,190.34

Step by Step Solution

1. Step 1: Write the proportion equation
   16,262.58 : 22,443.70 = 9,190.34 : x
2. Step 2: Convert to fraction form
   16,262.58/22,443.70 = 9,190.34/x
3. Step 3: Cross multiply
   16,262.58x = 22,443.70 × 9,190.34
4. Step 4: Simplify right side
   16,262.58x = 206,265,233.86
5. Step 5: Solve for x
   x = 206,265,233.86/16,262.58
6. Step 6: Final answer
   x = 12,683.43