Finding the Fourth Proportional to 16,053.78, 22,153.89 and 8,980.26

Step by Step Solution

1. Step 1: Write the proportion equation
   16,053.78 : 22,153.89 = 8,980.26 : x
2. Step 2: Convert to fraction form
   16,053.78/22,153.89 = 8,980.26/x
3. Step 3: Cross multiply
   16,053.78x = 22,153.89 × 8,980.26
4. Step 4: Simplify right side
   16,053.78x = 198,947,692.21
5. Step 5: Solve for x
   x = 198,947,692.21/16,053.78
6. Step 6: Final answer
   x = 12,392.58