Finding the Fourth Proportional to 14,131.82, 21,197.92 and 4,271.18

Step by Step Solution

1. Step 1: Write the proportion equation
   14,131.82 : 21,197.92 = 4,271.18 : x
2. Step 2: Convert to fraction form
   14,131.82/21,197.92 = 4,271.18/x
3. Step 3: Cross multiply
   14,131.82x = 21,197.92 × 4,271.18
4. Step 4: Simplify right side
   14,131.82x = 90,540,131.95
5. Step 5: Solve for x
   x = 90,540,131.95/14,131.82
6. Step 6: Final answer
   x = 6,406.83