Finding the Fourth Proportional to 17,756.74, 24,499.65 and 12,081.43

Step by Step Solution

1. Step 1: Write the proportion equation
   17,756.74 : 24,499.65 = 12,081.43 : x
2. Step 2: Convert to fraction form
   17,756.74/24,499.65 = 12,081.43/x
3. Step 3: Cross multiply
   17,756.74x = 24,499.65 × 12,081.43
4. Step 4: Simplify right side
   17,756.74x = 295,990,806.50
5. Step 5: Solve for x
   x = 295,990,806.50/17,756.74
6. Step 6: Final answer
   x = 16,669.21