Finding the Fourth Proportional to 8,123.27, 12,185.70 and 3,378.44

Step by Step Solution

1. Step 1: Write the proportion equation
   8,123.27 : 12,185.70 = 3,378.44 : x
2. Step 2: Convert to fraction form
   8,123.27/12,185.70 = 3,378.44/x
3. Step 3: Cross multiply
   8,123.27x = 12,185.70 × 3,378.44
4. Step 4: Simplify right side
   8,123.27x = 41,168,656.31
5. Step 5: Solve for x
   x = 41,168,656.31/8,123.27
6. Step 6: Final answer
   x = 5,067.99