Finding the Fourth Proportional to 16,263.72, 22,443.98 and 9,190.12

Step by Step Solution

1. Step 1: Write the proportion equation
   16,263.72 : 22,443.98 = 9,190.12 : x
2. Step 2: Convert to fraction form
   16,263.72/22,443.98 = 9,190.12/x
3. Step 3: Cross multiply
   16,263.72x = 22,443.98 × 9,190.12
4. Step 4: Simplify right side
   16,263.72x = 206,262,869.48
5. Step 5: Solve for x
   x = 206,262,869.48/16,263.72
6. Step 6: Final answer
   x = 12,682.39