Finding the Fourth Proportional to 16,401.30, 24,618.15 and 8,090.70

Step by Step Solution

1. Step 1: Write the proportion equation
   16,401.30 : 24,618.15 = 8,090.70 : x
2. Step 2: Convert to fraction form
   16,401.30/24,618.15 = 8,090.70/x
3. Step 3: Cross multiply
   16,401.30x = 24,618.15 × 8,090.70
4. Step 4: Simplify right side
   16,401.30x = 199,178,066.21
5. Step 5: Solve for x
   x = 199,178,066.21/16,401.30
6. Step 6: Final answer
   x = 12,144.04