Finding the Fourth Proportional to 16,097.10, 24,116.85 and 13,620.30

Step by Step Solution

1. Step 1: Write the proportion equation
   16,097.10 : 24,116.85 = 13,620.30 : x
2. Step 2: Convert to fraction form
   16,097.10/24,116.85 = 13,620.30/x
3. Step 3: Cross multiply
   16,097.10x = 24,116.85 × 13,620.30
4. Step 4: Simplify right side
   16,097.10x = 328,478,732.06
5. Step 5: Solve for x
   x = 328,478,732.06/16,097.10
6. Step 6: Final answer
   x = 20,406.08