Finding the Fourth Proportional to 22,542.22, 31,110.59 and 12,982.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,542.22 : 31,110.59 = 12,982.42 : x
2. Step 2: Convert to fraction form
   22,542.22/31,110.59 = 12,982.42/x
3. Step 3: Cross multiply
   22,542.22x = 31,110.59 × 12,982.42
4. Step 4: Simplify right side
   22,542.22x = 403,890,745.83
5. Step 5: Solve for x
   x = 403,890,745.83/22,542.22
6. Step 6: Final answer
   x = 17,917.08