Finding the Fourth Proportional to 8,327.34, 12,487.55 and 3,393.63

Step by Step Solution

1. Step 1: Write the proportion equation
   8,327.34 : 12,487.55 = 3,393.63 : x
2. Step 2: Convert to fraction form
   8,327.34/12,487.55 = 3,393.63/x
3. Step 3: Cross multiply
   8,327.34x = 12,487.55 × 3,393.63
4. Step 4: Simplify right side
   8,327.34x = 42,378,107.34
5. Step 5: Solve for x
   x = 42,378,107.34/8,327.34
6. Step 6: Final answer
   x = 5,089.03