Finding the Fourth Proportional to 16,264.71, 22,444.72 and 9,190.98

Step by Step Solution

1. Step 1: Write the proportion equation
   16,264.71 : 22,444.72 = 9,190.98 : x
2. Step 2: Convert to fraction form
   16,264.71/22,444.72 = 9,190.98/x
3. Step 3: Cross multiply
   16,264.71x = 22,444.72 × 9,190.98
4. Step 4: Simplify right side
   16,264.71x = 206,288,949.65
5. Step 5: Solve for x
   x = 206,288,949.65/16,264.71
6. Step 6: Final answer
   x = 12,683.22