Finding the Fourth Proportional to 16,081.20, 24,146.04 and 13,132.80

Step by Step Solution

1. Step 1: Write the proportion equation
   16,081.20 : 24,146.04 = 13,132.80 : x
2. Step 2: Convert to fraction form
   16,081.20/24,146.04 = 13,132.80/x
3. Step 3: Cross multiply
   16,081.20x = 24,146.04 × 13,132.80
4. Step 4: Simplify right side
   16,081.20x = 317,105,114.11
5. Step 5: Solve for x
   x = 317,105,114.11/16,081.20
6. Step 6: Final answer
   x = 19,719.00