Finding the Fourth Proportional to 16,326.79, 22,512.40 and 13,333.30

Step by Step Solution

1. Step 1: Write the proportion equation
   16,326.79 : 22,512.40 = 13,333.30 : x
2. Step 2: Convert to fraction form
   16,326.79/22,512.40 = 13,333.30/x
3. Step 3: Cross multiply
   16,326.79x = 22,512.40 × 13,333.30
4. Step 4: Simplify right side
   16,326.79x = 300,164,493.31
5. Step 5: Solve for x
   x = 300,164,493.31/16,326.79
6. Step 6: Final answer
   x = 18,384.79