Finding the Fourth Proportional to 12,626.37, 18,938.82 and 3,860.58

Step by Step Solution

1. Step 1: Write the proportion equation
   12,626.37 : 18,938.82 = 3,860.58 : x
2. Step 2: Convert to fraction form
   12,626.37/18,938.82 = 3,860.58/x
3. Step 3: Cross multiply
   12,626.37x = 18,938.82 × 3,860.58
4. Step 4: Simplify right side
   12,626.37x = 73,114,829.72
5. Step 5: Solve for x
   x = 73,114,829.72/12,626.37
6. Step 6: Final answer
   x = 5,790.65