Finding the Fourth Proportional to 16,138.50, 22,272.35 and 9,852.09

Step by Step Solution

1. Step 1: Write the proportion equation
   16,138.50 : 22,272.35 = 9,852.09 : x
2. Step 2: Convert to fraction form
   16,138.50/22,272.35 = 9,852.09/x
3. Step 3: Cross multiply
   16,138.50x = 22,272.35 × 9,852.09
4. Step 4: Simplify right side
   16,138.50x = 219,429,147.45
5. Step 5: Solve for x
   x = 219,429,147.45/16,138.50
6. Step 6: Final answer
   x = 13,596.63