Finding the Fourth Proportional to 12,374.46, 18,562.59 and 3,609.60

Step by Step Solution

1. Step 1: Write the proportion equation
   12,374.46 : 18,562.59 = 3,609.60 : x
2. Step 2: Convert to fraction form
   12,374.46/18,562.59 = 3,609.60/x
3. Step 3: Cross multiply
   12,374.46x = 18,562.59 × 3,609.60
4. Step 4: Simplify right side
   12,374.46x = 67,003,524.86
5. Step 5: Solve for x
   x = 67,003,524.86/12,374.46
6. Step 6: Final answer
   x = 5,414.66