Finding the Fourth Proportional to 10,661.42, 14,716.82 and 8,016.51

Step by Step Solution

1. Step 1: Write the proportion equation
   10,661.42 : 14,716.82 = 8,016.51 : x
2. Step 2: Convert to fraction form
   10,661.42/14,716.82 = 8,016.51/x
3. Step 3: Cross multiply
   10,661.42x = 14,716.82 × 8,016.51
4. Step 4: Simplify right side
   10,661.42x = 117,977,494.62
5. Step 5: Solve for x
   x = 117,977,494.62/10,661.42
6. Step 6: Final answer
   x = 11,065.84