Finding the Fourth Proportional to 25,945.57, 38,923.83 and 8,414.03

Step by Step Solution

1. Step 1: Write the proportion equation
   25,945.57 : 38,923.83 = 8,414.03 : x
2. Step 2: Convert to fraction form
   25,945.57/38,923.83 = 8,414.03/x
3. Step 3: Cross multiply
   25,945.57x = 38,923.83 × 8,414.03
4. Step 4: Simplify right side
   25,945.57x = 327,506,231.26
5. Step 5: Solve for x
   x = 327,506,231.26/25,945.57
6. Step 6: Final answer
   x = 12,622.82