Finding the Fourth Proportional to 8,309.43, 12,467.47 and 3,379.46

Step by Step Solution

1. Step 1: Write the proportion equation
   8,309.43 : 12,467.47 = 3,379.46 : x
2. Step 2: Convert to fraction form
   8,309.43/12,467.47 = 3,379.46/x
3. Step 3: Cross multiply
   8,309.43x = 12,467.47 × 3,379.46
4. Step 4: Simplify right side
   8,309.43x = 42,133,316.17
5. Step 5: Solve for x
   x = 42,133,316.17/8,309.43
6. Step 6: Final answer
   x = 5,070.54