Finding the Fourth Proportional to 12,175.89, 16,814.09 and 8,961

Step by Step Solution

1. Step 1: Write the proportion equation
   12,175.89 : 16,814.09 = 8,961 : x
2. Step 2: Convert to fraction form
   12,175.89/16,814.09 = 8,961/x
3. Step 3: Cross multiply
   12,175.89x = 16,814.09 × 8,961
4. Step 4: Simplify right side
   12,175.89x = 150,671,060.49
5. Step 5: Solve for x
   x = 150,671,060.49/12,175.89
6. Step 6: Final answer
   x = 12,374.54