Finding the Fourth Proportional to 8,582.16, 12,848.96 and 5,454.41

Step by Step Solution

1. Step 1: Write the proportion equation
   8,582.16 : 12,848.96 = 5,454.41 : x
2. Step 2: Convert to fraction form
   8,582.16/12,848.96 = 5,454.41/x
3. Step 3: Cross multiply
   8,582.16x = 12,848.96 × 5,454.41
4. Step 4: Simplify right side
   8,582.16x = 70,083,495.91
5. Step 5: Solve for x
   x = 70,083,495.91/8,582.16
6. Step 6: Final answer
   x = 8,166.18