Finding the Fourth Proportional to 12,374.58, 18,563.55 and 3,609.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,374.58 : 18,563.55 = 3,609.42 : x
2. Step 2: Convert to fraction form
   12,374.58/18,563.55 = 3,609.42/x
3. Step 3: Cross multiply
   12,374.58x = 18,563.55 × 3,609.42
4. Step 4: Simplify right side
   12,374.58x = 67,003,648.64
5. Step 5: Solve for x
   x = 67,003,648.64/12,374.58
6. Step 6: Final answer
   x = 5,414.62