Finding the Fourth Proportional to 8,308.11, 12,467.31 and 3,377.81

Step by Step Solution

1. Step 1: Write the proportion equation
   8,308.11 : 12,467.31 = 3,377.81 : x
2. Step 2: Convert to fraction form
   8,308.11/12,467.31 = 3,377.81/x
3. Step 3: Cross multiply
   8,308.11x = 12,467.31 × 3,377.81
4. Step 4: Simplify right side
   8,308.11x = 42,112,142.05
5. Step 5: Solve for x
   x = 42,112,142.05/8,308.11
6. Step 6: Final answer
   x = 5,068.80