Finding the Fourth Proportional to 12,301.16, 16,965.06 and 8,105

Step by Step Solution

1. Step 1: Write the proportion equation
   12,301.16 : 16,965.06 = 8,105 : x
2. Step 2: Convert to fraction form
   12,301.16/16,965.06 = 8,105/x
3. Step 3: Cross multiply
   12,301.16x = 16,965.06 × 8,105
4. Step 4: Simplify right side
   12,301.16x = 137,501,811.30
5. Step 5: Solve for x
   x = 137,501,811.30/12,301.16
6. Step 6: Final answer
   x = 11,177.95