Finding the Fourth Proportional to 8,141.49, 12,206.61 and 3,460.35

Step by Step Solution

1. Step 1: Write the proportion equation
   8,141.49 : 12,206.61 = 3,460.35 : x
2. Step 2: Convert to fraction form
   8,141.49/12,206.61 = 3,460.35/x
3. Step 3: Cross multiply
   8,141.49x = 12,206.61 × 3,460.35
4. Step 4: Simplify right side
   8,141.49x = 42,239,142.91
5. Step 5: Solve for x
   x = 42,239,142.91/8,141.49
6. Step 6: Final answer
   x = 5,188.13