Finding the Fourth Proportional to 16,464.76, 24,697.02 and 13,993.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,464.76 : 24,697.02 = 13,993.72 : x
2. Step 2: Convert to fraction form
   16,464.76/24,697.02 = 13,993.72/x
3. Step 3: Cross multiply
   16,464.76x = 24,697.02 × 13,993.72
4. Step 4: Simplify right side
   16,464.76x = 345,603,182.71
5. Step 5: Solve for x
   x = 345,603,182.71/16,464.76
6. Step 6: Final answer
   x = 20,990.48