Finding the Fourth Proportional to 16,419.15, 24,636.87 and 7,654.71

Step by Step Solution

1. Step 1: Write the proportion equation
   16,419.15 : 24,636.87 = 7,654.71 : x
2. Step 2: Convert to fraction form
   16,419.15/24,636.87 = 7,654.71/x
3. Step 3: Cross multiply
   16,419.15x = 24,636.87 × 7,654.71
4. Step 4: Simplify right side
   16,419.15x = 188,588,095.16
5. Step 5: Solve for x
   x = 188,588,095.16/16,419.15
6. Step 6: Final answer
   x = 11,485.86