Finding the Fourth Proportional to 13,401.51, 18,491.39 and 8,096.59

Step by Step Solution

1. Step 1: Write the proportion equation
   13,401.51 : 18,491.39 = 8,096.59 : x
2. Step 2: Convert to fraction form
   13,401.51/18,491.39 = 8,096.59/x
3. Step 3: Cross multiply
   13,401.51x = 18,491.39 × 8,096.59
4. Step 4: Simplify right side
   13,401.51x = 149,717,162.88
5. Step 5: Solve for x
   x = 149,717,162.88/13,401.51
6. Step 6: Final answer
   x = 11,171.67