Finding the Fourth Proportional to 13,086.09, 18,061.92 and 8,053.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,086.09 : 18,061.92 = 8,053.56 : x
2. Step 2: Convert to fraction form
   13,086.09/18,061.92 = 8,053.56/x
3. Step 3: Cross multiply
   13,086.09x = 18,061.92 × 8,053.56
4. Step 4: Simplify right side
   13,086.09x = 145,462,756.44
5. Step 5: Solve for x
   x = 145,462,756.44/13,086.09
6. Step 6: Final answer
   x = 11,115.83