Finding the Fourth Proportional to 41,763.39, 62,638.43 and 12,174.31

Step by Step Solution

1. Step 1: Write the proportion equation
   41,763.39 : 62,638.43 = 12,174.31 : x
2. Step 2: Convert to fraction form
   41,763.39/62,638.43 = 12,174.31/x
3. Step 3: Cross multiply
   41,763.39x = 62,638.43 × 12,174.31
4. Step 4: Simplify right side
   41,763.39x = 762,579,447.27
5. Step 5: Solve for x
   x = 762,579,447.27/41,763.39
6. Step 6: Final answer
   x = 18,259.52