Finding the Fourth Proportional to 41,853.55, 62,780.86 and 12,271.98

Step by Step Solution

1. Step 1: Write the proportion equation
   41,853.55 : 62,780.86 = 12,271.98 : x
2. Step 2: Convert to fraction form
   41,853.55/62,780.86 = 12,271.98/x
3. Step 3: Cross multiply
   41,853.55x = 62,780.86 × 12,271.98
4. Step 4: Simplify right side
   41,853.55x = 770,445,083.04
5. Step 5: Solve for x
   x = 770,445,083.04/41,853.55
6. Step 6: Final answer
   x = 18,408.12