Finding the Fourth Proportional to 9,404.92, 12,982.16 and 6,418.62

Step by Step Solution

1. Step 1: Write the proportion equation
   9,404.92 : 12,982.16 = 6,418.62 : x
2. Step 2: Convert to fraction form
   9,404.92/12,982.16 = 6,418.62/x
3. Step 3: Cross multiply
   9,404.92x = 12,982.16 × 6,418.62
4. Step 4: Simplify right side
   9,404.92x = 83,327,551.82
5. Step 5: Solve for x
   x = 83,327,551.82/9,404.92
6. Step 6: Final answer
   x = 8,860.00