Finding the Fourth Proportional to 16,328.72, 22,540.20 and 13,823.84

Step by Step Solution

1. Step 1: Write the proportion equation
   16,328.72 : 22,540.20 = 13,823.84 : x
2. Step 2: Convert to fraction form
   16,328.72/22,540.20 = 13,823.84/x
3. Step 3: Cross multiply
   16,328.72x = 22,540.20 × 13,823.84
4. Step 4: Simplify right side
   16,328.72x = 311,592,118.37
5. Step 5: Solve for x
   x = 311,592,118.37/16,328.72
6. Step 6: Final answer
   x = 19,082.46