Finding the Fourth Proportional to 16,118.64, 24,167.32 and 7,782.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,118.64 : 24,167.32 = 7,782.16 : x
2. Step 2: Convert to fraction form
   16,118.64/24,167.32 = 7,782.16/x
3. Step 3: Cross multiply
   16,118.64x = 24,167.32 × 7,782.16
4. Step 4: Simplify right side
   16,118.64x = 188,073,951.01
5. Step 5: Solve for x
   x = 188,073,951.01/16,118.64
6. Step 6: Final answer
   x = 11,668.10