Finding the Fourth Proportional to 8,307.65, 12,463.82 and 3,380.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,307.65 : 12,463.82 = 3,380.82 : x
2. Step 2: Convert to fraction form
   8,307.65/12,463.82 = 3,380.82/x
3. Step 3: Cross multiply
   8,307.65x = 12,463.82 × 3,380.82
4. Step 4: Simplify right side
   8,307.65x = 42,137,970.09
5. Step 5: Solve for x
   x = 42,137,970.09/8,307.65
6. Step 6: Final answer
   x = 5,072.19