Finding the Fourth Proportional to 16,139.82, 22,272.67 and 9,852.20

Step by Step Solution

1. Step 1: Write the proportion equation
   16,139.82 : 22,272.67 = 9,852.20 : x
2. Step 2: Convert to fraction form
   16,139.82/22,272.67 = 9,852.20/x
3. Step 3: Cross multiply
   16,139.82x = 22,272.67 × 9,852.20
4. Step 4: Simplify right side
   16,139.82x = 219,434,783.85
5. Step 5: Solve for x
   x = 219,434,783.85/16,139.82
6. Step 6: Final answer
   x = 13,595.86