Finding the Fourth Proportional to 10,884.35, 16,326.52 and 7,185.71

Step by Step Solution

1. Step 1: Write the proportion equation
   10,884.35 : 16,326.52 = 7,185.71 : x
2. Step 2: Convert to fraction form
   10,884.35/16,326.52 = 7,185.71/x
3. Step 3: Cross multiply
   10,884.35x = 16,326.52 × 7,185.71
4. Step 4: Simplify right side
   10,884.35x = 117,317,638.03
5. Step 5: Solve for x
   x = 117,317,638.03/10,884.35
6. Step 6: Final answer
   x = 10,778.56