Finding the Fourth Proportional to 12,432.42, 18,647.82 and 3,673.08

Step by Step Solution

1. Step 1: Write the proportion equation
   12,432.42 : 18,647.82 = 3,673.08 : x
2. Step 2: Convert to fraction form
   12,432.42/18,647.82 = 3,673.08/x
3. Step 3: Cross multiply
   12,432.42x = 18,647.82 × 3,673.08
4. Step 4: Simplify right side
   12,432.42x = 68,494,934.69
5. Step 5: Solve for x
   x = 68,494,934.69/12,432.42
6. Step 6: Final answer
   x = 5,509.38