Finding the Fourth Proportional to 8,316.09, 12,470.69 and 3,382.38

Step by Step Solution

1. Step 1: Write the proportion equation
   8,316.09 : 12,470.69 = 3,382.38 : x
2. Step 2: Convert to fraction form
   8,316.09/12,470.69 = 3,382.38/x
3. Step 3: Cross multiply
   8,316.09x = 12,470.69 × 3,382.38
4. Step 4: Simplify right side
   8,316.09x = 42,180,620.90
5. Step 5: Solve for x
   x = 42,180,620.90/8,316.09
6. Step 6: Final answer
   x = 5,072.17