Finding the Fourth Proportional to 8,316.69, 12,464.24 and 3,380.58

Step by Step Solution

1. Step 1: Write the proportion equation
   8,316.69 : 12,464.24 = 3,380.58 : x
2. Step 2: Convert to fraction form
   8,316.69/12,464.24 = 3,380.58/x
3. Step 3: Cross multiply
   8,316.69x = 12,464.24 × 3,380.58
4. Step 4: Simplify right side
   8,316.69x = 42,136,343.56
5. Step 5: Solve for x
   x = 42,136,343.56/8,316.69
6. Step 6: Final answer
   x = 5,066.48