Finding the Fourth Proportional to 8,141.64, 12,212.82 and 3,456.96

Step by Step Solution

1. Step 1: Write the proportion equation
   8,141.64 : 12,212.82 = 3,456.96 : x
2. Step 2: Convert to fraction form
   8,141.64/12,212.82 = 3,456.96/x
3. Step 3: Cross multiply
   8,141.64x = 12,212.82 × 3,456.96
4. Step 4: Simplify right side
   8,141.64x = 42,219,230.23
5. Step 5: Solve for x
   x = 42,219,230.23/8,141.64
6. Step 6: Final answer
   x = 5,185.59