Finding the Fourth Proportional to 16,162.66, 22,301.89 and 9,788.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,162.66 : 22,301.89 = 9,788.16 : x
2. Step 2: Convert to fraction form
   16,162.66/22,301.89 = 9,788.16/x
3. Step 3: Cross multiply
   16,162.66x = 22,301.89 × 9,788.16
4. Step 4: Simplify right side
   16,162.66x = 218,294,467.62
5. Step 5: Solve for x
   x = 218,294,467.62/16,162.66
6. Step 6: Final answer
   x = 13,506.10