Finding the Fourth Proportional to 8,317.38, 12,467.83 and 3,389.88

Step by Step Solution

1. Step 1: Write the proportion equation
   8,317.38 : 12,467.83 = 3,389.88 : x
2. Step 2: Convert to fraction form
   8,317.38/12,467.83 = 3,389.88/x
3. Step 3: Cross multiply
   8,317.38x = 12,467.83 × 3,389.88
4. Step 4: Simplify right side
   8,317.38x = 42,264,447.56
5. Step 5: Solve for x
   x = 42,264,447.56/8,317.38
6. Step 6: Final answer
   x = 5,081.46