Finding the Fourth Proportional to 8,768.04, 13,141.72 and 3,219.54

Step by Step Solution

1. Step 1: Write the proportion equation
   8,768.04 : 13,141.72 = 3,219.54 : x
2. Step 2: Convert to fraction form
   8,768.04/13,141.72 = 3,219.54/x
3. Step 3: Cross multiply
   8,768.04x = 13,141.72 × 3,219.54
4. Step 4: Simplify right side
   8,768.04x = 42,310,293.21
5. Step 5: Solve for x
   x = 42,310,293.21/8,768.04
6. Step 6: Final answer
   x = 4,825.51