Finding the Fourth Proportional to 16,404.98, 24,609.89 and 6,407.75

Step by Step Solution

1. Step 1: Write the proportion equation
   16,404.98 : 24,609.89 = 6,407.75 : x
2. Step 2: Convert to fraction form
   16,404.98/24,609.89 = 6,407.75/x
3. Step 3: Cross multiply
   16,404.98x = 24,609.89 × 6,407.75
4. Step 4: Simplify right side
   16,404.98x = 157,694,100.19
5. Step 5: Solve for x
   x = 157,694,100.19/16,404.98
6. Step 6: Final answer
   x = 9,612.58