Finding the Fourth Proportional to 12,105.57, 16,701.03 and 8,926.41

Step by Step Solution

1. Step 1: Write the proportion equation
   12,105.57 : 16,701.03 = 8,926.41 : x
2. Step 2: Convert to fraction form
   12,105.57/16,701.03 = 8,926.41/x
3. Step 3: Cross multiply
   12,105.57x = 16,701.03 × 8,926.41
4. Step 4: Simplify right side
   12,105.57x = 149,080,241.20
5. Step 5: Solve for x
   x = 149,080,241.20/12,105.57
6. Step 6: Final answer
   x = 12,315.01