Finding the Fourth Proportional to 12,250.41, 18,369.93 and 3,928.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,250.41 : 18,369.93 = 3,928.56 : x
2. Step 2: Convert to fraction form
   12,250.41/18,369.93 = 3,928.56/x
3. Step 3: Cross multiply
   12,250.41x = 18,369.93 × 3,928.56
4. Step 4: Simplify right side
   12,250.41x = 72,167,372.20
5. Step 5: Solve for x
   x = 72,167,372.20/12,250.41
6. Step 6: Final answer
   x = 5,891.02