Finding the Fourth Proportional to 16,255.16, 22,418.70 and 10,947.80

Step by Step Solution

1. Step 1: Write the proportion equation
   16,255.16 : 22,418.70 = 10,947.80 : x
2. Step 2: Convert to fraction form
   16,255.16/22,418.70 = 10,947.80/x
3. Step 3: Cross multiply
   16,255.16x = 22,418.70 × 10,947.80
4. Step 4: Simplify right side
   16,255.16x = 245,435,443.86
5. Step 5: Solve for x
   x = 245,435,443.86/16,255.16
6. Step 6: Final answer
   x = 15,098.93