Finding the Fourth Proportional to 9,008.96, 12,418.25 and 8,284.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,008.96 : 12,418.25 = 8,284.82 : x
2. Step 2: Convert to fraction form
   9,008.96/12,418.25 = 8,284.82/x
3. Step 3: Cross multiply
   9,008.96x = 12,418.25 × 8,284.82
4. Step 4: Simplify right side
   9,008.96x = 102,882,862.45
5. Step 5: Solve for x
   x = 102,882,862.45/9,008.96
6. Step 6: Final answer
   x = 11,420.07