Finding the Fourth Proportional to 16,521.81, 22,799.71 and 8,968.15

Step by Step Solution

1. Step 1: Write the proportion equation
   16,521.81 : 22,799.71 = 8,968.15 : x
2. Step 2: Convert to fraction form
   16,521.81/22,799.71 = 8,968.15/x
3. Step 3: Cross multiply
   16,521.81x = 22,799.71 × 8,968.15
4. Step 4: Simplify right side
   16,521.81x = 204,471,219.24
5. Step 5: Solve for x
   x = 204,471,219.24/16,521.81
6. Step 6: Final answer
   x = 12,375.84