Finding the Fourth Proportional to 8,549.54, 12,816.94 and 3,354.18

Step by Step Solution

1. Step 1: Write the proportion equation
   8,549.54 : 12,816.94 = 3,354.18 : x
2. Step 2: Convert to fraction form
   8,549.54/12,816.94 = 3,354.18/x
3. Step 3: Cross multiply
   8,549.54x = 12,816.94 × 3,354.18
4. Step 4: Simplify right side
   8,549.54x = 42,990,323.81
5. Step 5: Solve for x
   x = 42,990,323.81/8,549.54
6. Step 6: Final answer
   x = 5,028.38