Finding the Fourth Proportional to 41,852.89, 62,779.85 and 12,271.31

Step by Step Solution

1. Step 1: Write the proportion equation
   41,852.89 : 62,779.85 = 12,271.31 : x
2. Step 2: Convert to fraction form
   41,852.89/62,779.85 = 12,271.31/x
3. Step 3: Cross multiply
   41,852.89x = 62,779.85 × 12,271.31
4. Step 4: Simplify right side
   41,852.89x = 770,391,001.10
5. Step 5: Solve for x
   x = 770,391,001.10/41,852.89
6. Step 6: Final answer
   x = 18,407.12