Finding the Fourth Proportional to 8,308.42, 12,464.99 and 3,381.60

Step by Step Solution

1. Step 1: Write the proportion equation
   8,308.42 : 12,464.99 = 3,381.60 : x
2. Step 2: Convert to fraction form
   8,308.42/12,464.99 = 3,381.60/x
3. Step 3: Cross multiply
   8,308.42x = 12,464.99 × 3,381.60
4. Step 4: Simplify right side
   8,308.42x = 42,151,546.53
5. Step 5: Solve for x
   x = 42,151,546.53/8,308.42
6. Step 6: Final answer
   x = 5,073.35