Finding the Fourth Proportional to 12,250.82, 18,377.94 and 3,928.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,250.82 : 18,377.94 = 3,928.88 : x
2. Step 2: Convert to fraction form
   12,250.82/18,377.94 = 3,928.88/x
3. Step 3: Cross multiply
   12,250.82x = 18,377.94 × 3,928.88
4. Step 4: Simplify right side
   12,250.82x = 72,204,720.91
5. Step 5: Solve for x
   x = 72,204,720.91/12,250.82
6. Step 6: Final answer
   x = 5,893.87