Finding the Fourth Proportional to 16,304.80, 22,460.32 and 13,906.96

Step by Step Solution

1. Step 1: Write the proportion equation
   16,304.80 : 22,460.32 = 13,906.96 : x
2. Step 2: Convert to fraction form
   16,304.80/22,460.32 = 13,906.96/x
3. Step 3: Cross multiply
   16,304.80x = 22,460.32 × 13,906.96
4. Step 4: Simplify right side
   16,304.80x = 312,354,771.83
5. Step 5: Solve for x
   x = 312,354,771.83/16,304.80
6. Step 6: Final answer
   x = 19,157.23