Finding the Fourth Proportional to 12,627.37, 18,940.32 and 3,861.58

Step by Step Solution

1. Step 1: Write the proportion equation
   12,627.37 : 18,940.32 = 3,861.58 : x
2. Step 2: Convert to fraction form
   12,627.37/18,940.32 = 3,861.58/x
3. Step 3: Cross multiply
   12,627.37x = 18,940.32 × 3,861.58
4. Step 4: Simplify right side
   12,627.37x = 73,139,560.91
5. Step 5: Solve for x
   x = 73,139,560.91/12,627.37
6. Step 6: Final answer
   x = 5,792.15