Finding the Fourth Proportional to 16,213.89, 22,375.16 and 8,761.89

Step by Step Solution

1. Step 1: Write the proportion equation
   16,213.89 : 22,375.16 = 8,761.89 : x
2. Step 2: Convert to fraction form
   16,213.89/22,375.16 = 8,761.89/x
3. Step 3: Cross multiply
   16,213.89x = 22,375.16 × 8,761.89
4. Step 4: Simplify right side
   16,213.89x = 196,048,646.84
5. Step 5: Solve for x
   x = 196,048,646.84/16,213.89
6. Step 6: Final answer
   x = 12,091.40