Finding the Fourth Proportional to 16,695, 23,039.15 and 9,141.39

Step by Step Solution

1. Step 1: Write the proportion equation
   16,695 : 23,039.15 = 9,141.39 : x
2. Step 2: Convert to fraction form
   16,695/23,039.15 = 9,141.39/x
3. Step 3: Cross multiply
   16,695x = 23,039.15 × 9,141.39
4. Step 4: Simplify right side
   16,695x = 210,609,809.71
5. Step 5: Solve for x
   x = 210,609,809.71/16,695
6. Step 6: Final answer
   x = 12,615.14