Finding the Fourth Proportional to 8,308.65, 12,465.32 and 3,381.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,308.65 : 12,465.32 = 3,381.82 : x
2. Step 2: Convert to fraction form
   8,308.65/12,465.32 = 3,381.82/x
3. Step 3: Cross multiply
   8,308.65x = 12,465.32 × 3,381.82
4. Step 4: Simplify right side
   8,308.65x = 42,155,468.48
5. Step 5: Solve for x
   x = 42,155,468.48/8,308.65
6. Step 6: Final answer
   x = 5,073.68