Finding the Fourth Proportional to 12,394.82, 18,589.49 and 3,630.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,394.82 : 18,589.49 = 3,630.42 : x
2. Step 2: Convert to fraction form
   12,394.82/18,589.49 = 3,630.42/x
3. Step 3: Cross multiply
   12,394.82x = 18,589.49 × 3,630.42
4. Step 4: Simplify right side
   12,394.82x = 67,487,656.29
5. Step 5: Solve for x
   x = 67,487,656.29/12,394.82
6. Step 6: Final answer
   x = 5,444.83