Finding the Fourth Proportional to 16,149.82, 22,290.66 and 10,772.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,149.82 : 22,290.66 = 10,772.50 : x
2. Step 2: Convert to fraction form
   16,149.82/22,290.66 = 10,772.50/x
3. Step 3: Cross multiply
   16,149.82x = 22,290.66 × 10,772.50
4. Step 4: Simplify right side
   16,149.82x = 240,126,134.85
5. Step 5: Solve for x
   x = 240,126,134.85/16,149.82
6. Step 6: Final answer
   x = 14,868.66