Finding the Fourth Proportional to 8,134.72, 12,204.81 and 3,454.54

Step by Step Solution

1. Step 1: Write the proportion equation
   8,134.72 : 12,204.81 = 3,454.54 : x
2. Step 2: Convert to fraction form
   8,134.72/12,204.81 = 3,454.54/x
3. Step 3: Cross multiply
   8,134.72x = 12,204.81 × 3,454.54
4. Step 4: Simplify right side
   8,134.72x = 42,162,004.34
5. Step 5: Solve for x
   x = 42,162,004.34/8,134.72
6. Step 6: Final answer
   x = 5,182.97