Finding the Fourth Proportional to 8,323.05, 12,484.34 and 3,391.47

Step by Step Solution

1. Step 1: Write the proportion equation
   8,323.05 : 12,484.34 = 3,391.47 : x
2. Step 2: Convert to fraction form
   8,323.05/12,484.34 = 3,391.47/x
3. Step 3: Cross multiply
   8,323.05x = 12,484.34 × 3,391.47
4. Step 4: Simplify right side
   8,323.05x = 42,340,247.62
5. Step 5: Solve for x
   x = 42,340,247.62/8,323.05
6. Step 6: Final answer
   x = 5,087.11