Finding the Fourth Proportional to 16,454.48, 24,685.43 and 7,684.61

Step by Step Solution

1. Step 1: Write the proportion equation
   16,454.48 : 24,685.43 = 7,684.61 : x
2. Step 2: Convert to fraction form
   16,454.48/24,685.43 = 7,684.61/x
3. Step 3: Cross multiply
   16,454.48x = 24,685.43 × 7,684.61
4. Step 4: Simplify right side
   16,454.48x = 189,697,740.38
5. Step 5: Solve for x
   x = 189,697,740.38/16,454.48
6. Step 6: Final answer
   x = 11,528.64